3x+4x-7+5x+4=180

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Solution for 3x+4x-7+5x+4=180 equation:


Simplifying
3x + 4x + -7 + 5x + 4 = 180

Reorder the terms:
-7 + 4 + 3x + 4x + 5x = 180

Combine like terms: -7 + 4 = -3
-3 + 3x + 4x + 5x = 180

Combine like terms: 3x + 4x = 7x
-3 + 7x + 5x = 180

Combine like terms: 7x + 5x = 12x
-3 + 12x = 180

Solving
-3 + 12x = 180

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + 12x = 180 + 3

Combine like terms: -3 + 3 = 0
0 + 12x = 180 + 3
12x = 180 + 3

Combine like terms: 180 + 3 = 183
12x = 183

Divide each side by '12'.
x = 15.25

Simplifying
x = 15.25

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