-7x+8=9x+40

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Solution for -7x+8=9x+40 equation:


Simplifying
-7x + 8 = 9x + 40

Reorder the terms:
8 + -7x = 9x + 40

Reorder the terms:
8 + -7x = 40 + 9x

Solving
8 + -7x = 40 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
8 + -7x + -9x = 40 + 9x + -9x

Combine like terms: -7x + -9x = -16x
8 + -16x = 40 + 9x + -9x

Combine like terms: 9x + -9x = 0
8 + -16x = 40 + 0
8 + -16x = 40

Add '-8' to each side of the equation.
8 + -8 + -16x = 40 + -8

Combine like terms: 8 + -8 = 0
0 + -16x = 40 + -8
-16x = 40 + -8

Combine like terms: 40 + -8 = 32
-16x = 32

Divide each side by '-16'.
x = -2

Simplifying
x = -2

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