$MathMaster logo$

MathMaster

Home
general
5x 13 7x 10 99

Question

5x+13+7x-10=99

297

likes

1483 views

Answer to a math question 5x+13+7x-10=99

$Expert avatar$

4.5

108 Answers

$12x+13-10=99$

$12x+3=99$

$12x=99-3$

$12x=96$

$x=8$

Frequently asked questions (FAQs)

What is the value of x in a right triangle with legs measuring 5 cm and 12 cm?

+

Math question: How many different ways can 4 students be arranged in a straight line?

+

Calculate the value of f(3) - f(2) for the exponential function f(x) = 10^x.

+

New questions in Mathematics

I) Find the directional derivative of 𝑓(𝑥, 𝑦) = 𝑥 sin 𝑦 at (1,0) in the direction of the unit vector that make an angle of 𝜋/4 with positive 𝑥-axis.

If f(x) = 3x 2, what is the value of x so that f(x) = 11?

Determine the momentum of a 20 kg body traveling at 20 m/s.

Perpetual annuities are a series of payments whose duration has no end. Explain how can we calculate them, if they have no end?

reduce the expression (7.5x 12)÷0.3

The ninth term of a given geometric progression, with reason q , is 1792, and its fourth term is 56. Thus, calculate the fourth term of another geometric progression, whose ratio is q +1 and whose first term is equal to the first term of the first P.G. described.

Let v be the set of all ordered pairs of real numbers and consider the scalar addition and multiplication operations defined by: u+v=(x,y)+(s,t)=(x+s+1,y+t -two) au=a.(x,y)=(ax+a-1,ay-2a+2) It is known that this set with the operations defined above is a vector space. A) calculate u+v is au for u=(-2,3),v=(1,-2) and a=2 B) show that (0,0) #0 Suggestion find a vector W such that u+w=u C) who is the vector -u D) show that axiom A4 holds:-u+u=0

Determine the Linear function whose graph passes through the points (6, -2) and has slope 3.

Kaya deposits 25,000 into an account that earns 3% interest compounded monthly. How much does Kaya have in the account after 6 years 8 months? Round to the nearest cent. 32,912.50 30,000 29,923.71 30,527.45

In poker, a full house consists of five cards, where two of the cards have the same number (or letter) and the remaining three also have the same number (or letter) as each other (but not as the previous two cards). Use a search engine or Wikipedia to understand the concept better if necessary. In how many different ways can one obtain a full house?

How much does 7.2 moles of ammonium dichromate weigh? (NH4)2Cr2O7

Paul invites 12 friends to his birthday. He wants to give 15 candies to everyone two. The candies are sold in packs of 25. How many should he buy? packages?

To apply a diagnostic test, in how many ways can 14 students be chosen out of 25? if the order does not matter