2x+2(x+9)+2x+2(x+9)=76

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Solution for 2x+2(x+9)+2x+2(x+9)=76 equation: 


Simplifying
2x + 2(x + 9) + 2x + 2(x + 9) = 76

Reorder the terms:
2x + 2(9 + x) + 2x + 2(x + 9) = 76
2x + (9 * 2 + x * 2) + 2x + 2(x + 9) = 76
2x + (18 + 2x) + 2x + 2(x + 9) = 76

Reorder the terms:
2x + 18 + 2x + 2x + 2(9 + x) = 76
2x + 18 + 2x + 2x + (9 * 2 + x * 2) = 76
2x + 18 + 2x + 2x + (18 + 2x) = 76

Reorder the terms:
18 + 18 + 2x + 2x + 2x + 2x = 76

Combine like terms: 18 + 18 = 36
36 + 2x + 2x + 2x + 2x = 76

Combine like terms: 2x + 2x = 4x
36 + 4x + 2x + 2x = 76

Combine like terms: 4x + 2x = 6x
36 + 6x + 2x = 76

Combine like terms: 6x + 2x = 8x
36 + 8x = 76

Solving
36 + 8x = 76

Solving for variable 'x'.

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

Add '-36' to each side of the equation.
36 + -36 + 8x = 76 + -36

Combine like terms: 36 + -36 = 0
0 + 8x = 76 + -36
8x = 76 + -36

Combine like terms: 76 + -36 = 40
8x = 40

Divide each side by '8'.
x = 5

Simplifying
x = 5

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