3x+7-9=8x+2

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


Simplifying
3x + 7 + -9 = 8x + 2

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

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

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

Solving
-2 + 3x = 2 + 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 + 3x + -8x = 2 + 8x + -8x

Combine like terms: 3x + -8x = -5x
-2 + -5x = 2 + 8x + -8x

Combine like terms: 8x + -8x = 0
-2 + -5x = 2 + 0
-2 + -5x = 2

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

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

Combine like terms: 2 + 2 = 4
-5x = 4

Divide each side by '-5'.
x = -0.8

Simplifying
x = -0.8

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