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

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


Simplifying
3x + x + -8 + -7 = -1x + 7 + -2

Reorder the terms:
-8 + -7 + 3x + x = -1x + 7 + -2

Combine like terms: -8 + -7 = -15
-15 + 3x + x = -1x + 7 + -2

Combine like terms: 3x + x = 4x
-15 + 4x = -1x + 7 + -2

Reorder the terms:
-15 + 4x = 7 + -2 + -1x

Combine like terms: 7 + -2 = 5
-15 + 4x = 5 + -1x

Solving
-15 + 4x = 5 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
-15 + 4x + x = 5 + -1x + x

Combine like terms: 4x + x = 5x
-15 + 5x = 5 + -1x + x

Combine like terms: -1x + x = 0
-15 + 5x = 5 + 0
-15 + 5x = 5

Add '15' to each side of the equation.
-15 + 15 + 5x = 5 + 15

Combine like terms: -15 + 15 = 0
0 + 5x = 5 + 15
5x = 5 + 15

Combine like terms: 5 + 15 = 20
5x = 20

Divide each side by '5'.
x = 4

Simplifying
x = 4

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