Move the constant to the right-hand side and change its sign
$-x=54-45$
Subtract the numbers
$-x=9$
Change the signs on both sides of the equation
$x=-9$
Frequently asked questions (FAQs)
What is the equation of an ellipse with a major axis of length 8, center at (-2,3), and minor axis of length 6?
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Math question: What is the antiderivative of f(x) = 3x^2 + 2x + 1?
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What is the resultant displacement in a coordinate system when a vector of magnitude 10 and direction 30 degrees is added to a vector of magnitude 8 and direction 120 degrees?