3x+15+4x+12=180

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Solution for 3x+15+4x+12=180 equation:


Simplifying
3x + 15 + 4x + 12 = 180

Reorder the terms:
15 + 12 + 3x + 4x = 180

Combine like terms: 15 + 12 = 27
27 + 3x + 4x = 180

Combine like terms: 3x + 4x = 7x
27 + 7x = 180

Solving
27 + 7x = 180

Solving for variable 'x'.

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

Add '-27' to each side of the equation.
27 + -27 + 7x = 180 + -27

Combine like terms: 27 + -27 = 0
0 + 7x = 180 + -27
7x = 180 + -27

Combine like terms: 180 + -27 = 153
7x = 153

Divide each side by '7'.
x = 21.85714286

Simplifying
x = 21.85714286

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