7x+8-9(x-1)=3x+2

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Solution for 7x+8-9(x-1)=3x+2 equation:


Simplifying
7x + 8 + -9(x + -1) = 3x + 2

Reorder the terms:
7x + 8 + -9(-1 + x) = 3x + 2
7x + 8 + (-1 * -9 + x * -9) = 3x + 2
7x + 8 + (9 + -9x) = 3x + 2

Reorder the terms:
8 + 9 + 7x + -9x = 3x + 2

Combine like terms: 8 + 9 = 17
17 + 7x + -9x = 3x + 2

Combine like terms: 7x + -9x = -2x
17 + -2x = 3x + 2

Reorder the terms:
17 + -2x = 2 + 3x

Solving
17 + -2x = 2 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
17 + -2x + -3x = 2 + 3x + -3x

Combine like terms: -2x + -3x = -5x
17 + -5x = 2 + 3x + -3x

Combine like terms: 3x + -3x = 0
17 + -5x = 2 + 0
17 + -5x = 2

Add '-17' to each side of the equation.
17 + -17 + -5x = 2 + -17

Combine like terms: 17 + -17 = 0
0 + -5x = 2 + -17
-5x = 2 + -17

Combine like terms: 2 + -17 = -15
-5x = -15

Divide each side by '-5'.
x = 3

Simplifying
x = 3

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