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Simplifying
(5x2) + -55 = 90
Reorder the terms:
-55 + (5x2) = 90
Solving
-55 + (5x2) = 90
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '55' to each side of the equation.
-55 + 55 + (5x2) = 90 + 55
Combine like terms: -55 + 55 = 0
0 + (5x2) = 90 + 55
(5x2) = 90 + 55
Combine like terms: 90 + 55 = 145
(5x2) = 145
Divide each side by '5'.
x2 = 29
Simplifying
x2 = 29
Take the square root of each side:
x = {-5.385164807, 5.385164807}
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