7x+2=8x-7

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Solution for 7x+2=8x-7 equation:


Simplifying
7x + 2 = 8x + -7

Reorder the terms:
2 + 7x = 8x + -7

Reorder the terms:
2 + 7x = -7 + 8x

Solving
2 + 7x = -7 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
2 + 7x + -8x = -7 + 8x + -8x

Combine like terms: 7x + -8x = -1x
2 + -1x = -7 + 8x + -8x

Combine like terms: 8x + -8x = 0
2 + -1x = -7 + 0
2 + -1x = -7

Add '-2' to each side of the equation.
2 + -2 + -1x = -7 + -2

Combine like terms: 2 + -2 = 0
0 + -1x = -7 + -2
-1x = -7 + -2

Combine like terms: -7 + -2 = -9
-1x = -9

Divide each side by '-1'.
x = 9

Simplifying
x = 9

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