40=(x+6)+(x+7)+(2x-5)

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Solution for 40=(x+6)+(x+7)+(2x-5) equation:


Simplifying
40 = (x + 6) + (x + 7) + (2x + -5)

Reorder the terms:
40 = (6 + x) + (x + 7) + (2x + -5)

Remove parenthesis around (6 + x)
40 = 6 + x + (x + 7) + (2x + -5)

Reorder the terms:
40 = 6 + x + (7 + x) + (2x + -5)

Remove parenthesis around (7 + x)
40 = 6 + x + 7 + x + (2x + -5)

Reorder the terms:
40 = 6 + x + 7 + x + (-5 + 2x)

Remove parenthesis around (-5 + 2x)
40 = 6 + x + 7 + x + -5 + 2x

Reorder the terms:
40 = 6 + 7 + -5 + x + x + 2x

Combine like terms: 6 + 7 = 13
40 = 13 + -5 + x + x + 2x

Combine like terms: 13 + -5 = 8
40 = 8 + x + x + 2x

Combine like terms: x + x = 2x
40 = 8 + 2x + 2x

Combine like terms: 2x + 2x = 4x
40 = 8 + 4x

Solving
40 = 8 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
40 + -4x = 8 + 4x + -4x

Combine like terms: 4x + -4x = 0
40 + -4x = 8 + 0
40 + -4x = 8

Add '-40' to each side of the equation.
40 + -40 + -4x = 8 + -40

Combine like terms: 40 + -40 = 0
0 + -4x = 8 + -40
-4x = 8 + -40

Combine like terms: 8 + -40 = -32
-4x = -32

Divide each side by '-4'.
x = 8

Simplifying
x = 8

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