3x+5-4x+8=2x-7

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Solution for 3x+5-4x+8=2x-7 equation:


Simplifying
3x + 5 + -4x + 8 = 2x + -7

Reorder the terms:
5 + 8 + 3x + -4x = 2x + -7

Combine like terms: 5 + 8 = 13
13 + 3x + -4x = 2x + -7

Combine like terms: 3x + -4x = -1x
13 + -1x = 2x + -7

Reorder the terms:
13 + -1x = -7 + 2x

Solving
13 + -1x = -7 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
13 + -1x + -2x = -7 + 2x + -2x

Combine like terms: -1x + -2x = -3x
13 + -3x = -7 + 2x + -2x

Combine like terms: 2x + -2x = 0
13 + -3x = -7 + 0
13 + -3x = -7

Add '-13' to each side of the equation.
13 + -13 + -3x = -7 + -13

Combine like terms: 13 + -13 = 0
0 + -3x = -7 + -13
-3x = -7 + -13

Combine like terms: -7 + -13 = -20
-3x = -20

Divide each side by '-3'.
x = 6.666666667

Simplifying
x = 6.666666667

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