9x+9=7x+8

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


Simplifying
9x + 9 = 7x + 8

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

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

Solving
9 + 9x = 8 + 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 + 9x + -7x = 8 + 7x + -7x

Combine like terms: 9x + -7x = 2x
9 + 2x = 8 + 7x + -7x

Combine like terms: 7x + -7x = 0
9 + 2x = 8 + 0
9 + 2x = 8

Add '-9' to each side of the equation.
9 + -9 + 2x = 8 + -9

Combine like terms: 9 + -9 = 0
0 + 2x = 8 + -9
2x = 8 + -9

Combine like terms: 8 + -9 = -1
2x = -1

Divide each side by '2'.
x = -0.5

Simplifying
x = -0.5

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