(2x+65)+(7x+178)=180

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Solution for (2x+65)+(7x+178)=180 equation:


Simplifying
(2x + 65) + (7x + 178) = 180

Reorder the terms:
(65 + 2x) + (7x + 178) = 180

Remove parenthesis around (65 + 2x)
65 + 2x + (7x + 178) = 180

Reorder the terms:
65 + 2x + (178 + 7x) = 180

Remove parenthesis around (178 + 7x)
65 + 2x + 178 + 7x = 180

Reorder the terms:
65 + 178 + 2x + 7x = 180

Combine like terms: 65 + 178 = 243
243 + 2x + 7x = 180

Combine like terms: 2x + 7x = 9x
243 + 9x = 180

Solving
243 + 9x = 180

Solving for variable 'x'.

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

Add '-243' to each side of the equation.
243 + -243 + 9x = 180 + -243

Combine like terms: 243 + -243 = 0
0 + 9x = 180 + -243
9x = 180 + -243

Combine like terms: 180 + -243 = -63
9x = -63

Divide each side by '9'.
x = -7

Simplifying
x = -7

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