54=-8(-2x-1)+7x

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Solution for 54=-8(-2x-1)+7x equation:


Simplifying
54 = -8(-2x + -1) + 7x

Reorder the terms:
54 = -8(-1 + -2x) + 7x
54 = (-1 * -8 + -2x * -8) + 7x
54 = (8 + 16x) + 7x

Combine like terms: 16x + 7x = 23x
54 = 8 + 23x

Solving
54 = 8 + 23x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-23x' to each side of the equation.
54 + -23x = 8 + 23x + -23x

Combine like terms: 23x + -23x = 0
54 + -23x = 8 + 0
54 + -23x = 8

Add '-54' to each side of the equation.
54 + -54 + -23x = 8 + -54

Combine like terms: 54 + -54 = 0
0 + -23x = 8 + -54
-23x = 8 + -54

Combine like terms: 8 + -54 = -46
-23x = -46

Divide each side by '-23'.
x = 2

Simplifying
x = 2

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