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

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


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

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

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

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

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

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

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

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

Combine like terms: 6 + 6 = 12
12 + 7 + 2x + x + x = 40

Combine like terms: 12 + 7 = 19
19 + 2x + x + x = 40

Combine like terms: 2x + x = 3x
19 + 3x + x = 40

Combine like terms: 3x + x = 4x
19 + 4x = 40

Solving
19 + 4x = 40

Solving for variable 'x'.

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

Add '-19' to each side of the equation.
19 + -19 + 4x = 40 + -19

Combine like terms: 19 + -19 = 0
0 + 4x = 40 + -19
4x = 40 + -19

Combine like terms: 40 + -19 = 21
4x = 21

Divide each side by '4'.
x = 5.25

Simplifying
x = 5.25

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