(8x+3)+(7x+12)=180

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Solution for (8x+3)+(7x+12)=180 equation:


Simplifying
(8x + 3) + (7x + 12) = 180

Reorder the terms:
(3 + 8x) + (7x + 12) = 180

Remove parenthesis around (3 + 8x)
3 + 8x + (7x + 12) = 180

Reorder the terms:
3 + 8x + (12 + 7x) = 180

Remove parenthesis around (12 + 7x)
3 + 8x + 12 + 7x = 180

Reorder the terms:
3 + 12 + 8x + 7x = 180

Combine like terms: 3 + 12 = 15
15 + 8x + 7x = 180

Combine like terms: 8x + 7x = 15x
15 + 15x = 180

Solving
15 + 15x = 180

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + 15x = 180 + -15

Combine like terms: 15 + -15 = 0
0 + 15x = 180 + -15
15x = 180 + -15

Combine like terms: 180 + -15 = 165
15x = 165

Divide each side by '15'.
x = 11

Simplifying
x = 11

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