7-(x+5)+3x=40-2x

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Solution for 7-(x+5)+3x=40-2x equation:


Simplifying
7 + -1(x + 5) + 3x = 40 + -2x

Reorder the terms:
7 + -1(5 + x) + 3x = 40 + -2x
7 + (5 * -1 + x * -1) + 3x = 40 + -2x
7 + (-5 + -1x) + 3x = 40 + -2x

Combine like terms: 7 + -5 = 2
2 + -1x + 3x = 40 + -2x

Combine like terms: -1x + 3x = 2x
2 + 2x = 40 + -2x

Solving
2 + 2x = 40 + -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.
2 + 2x + 2x = 40 + -2x + 2x

Combine like terms: 2x + 2x = 4x
2 + 4x = 40 + -2x + 2x

Combine like terms: -2x + 2x = 0
2 + 4x = 40 + 0
2 + 4x = 40

Add '-2' to each side of the equation.
2 + -2 + 4x = 40 + -2

Combine like terms: 2 + -2 = 0
0 + 4x = 40 + -2
4x = 40 + -2

Combine like terms: 40 + -2 = 38
4x = 38

Divide each side by '4'.
x = 9.5

Simplifying
x = 9.5

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