3x-7=-9x+8

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


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

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

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

Solving
-7 + 3x = 8 + -9x

Solving for variable 'x'.

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

Add '9x' to each side of the equation.
-7 + 3x + 9x = 8 + -9x + 9x

Combine like terms: 3x + 9x = 12x
-7 + 12x = 8 + -9x + 9x

Combine like terms: -9x + 9x = 0
-7 + 12x = 8 + 0
-7 + 12x = 8

Add '7' to each side of the equation.
-7 + 7 + 12x = 8 + 7

Combine like terms: -7 + 7 = 0
0 + 12x = 8 + 7
12x = 8 + 7

Combine like terms: 8 + 7 = 15
12x = 15

Divide each side by '12'.
x = 1.25

Simplifying
x = 1.25

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