8x+9=7x-11

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Solution for 8x+9=7x-11 equation:


Simplifying
8x + 9 = 7x + -11

Reorder the terms:
9 + 8x = 7x + -11

Reorder the terms:
9 + 8x = -11 + 7x

Solving
9 + 8x = -11 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
9 + 8x + -7x = -11 + 7x + -7x

Combine like terms: 8x + -7x = 1x
9 + 1x = -11 + 7x + -7x

Combine like terms: 7x + -7x = 0
9 + 1x = -11 + 0
9 + 1x = -11

Add '-9' to each side of the equation.
9 + -9 + 1x = -11 + -9

Combine like terms: 9 + -9 = 0
0 + 1x = -11 + -9
1x = -11 + -9

Combine like terms: -11 + -9 = -20
1x = -20

Divide each side by '1'.
x = -20

Simplifying
x = -20

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