7+2x=(x-1)+4

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Solution for 7+2x=(x-1)+4 equation:


Simplifying
7 + 2x = (x + -1) + 4

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

Remove parenthesis around (-1 + x)
7 + 2x = -1 + x + 4

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

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

Solving
7 + 2x = 3 + 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.
7 + 2x + -1x = 3 + x + -1x

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

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

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

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

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

Divide each side by '1'.
x = -4

Simplifying
x = -4

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