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

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


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

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

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

Reorder the terms:
3 + 5x = -7 + x

Solving
3 + 5x = -7 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
3 + 5x + -1x = -7 + x + -1x

Combine like terms: 5x + -1x = 4x
3 + 4x = -7 + x + -1x

Combine like terms: x + -1x = 0
3 + 4x = -7 + 0
3 + 4x = -7

Add '-3' to each side of the equation.
3 + -3 + 4x = -7 + -3

Combine like terms: 3 + -3 = 0
0 + 4x = -7 + -3
4x = -7 + -3

Combine like terms: -7 + -3 = -10
4x = -10

Divide each side by '4'.
x = -2.5

Simplifying
x = -2.5

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