3x+7(4x+5)=180

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


Simplifying
3x + 7(4x + 5) = 180

Reorder the terms:
3x + 7(5 + 4x) = 180
3x + (5 * 7 + 4x * 7) = 180
3x + (35 + 28x) = 180

Reorder the terms:
35 + 3x + 28x = 180

Combine like terms: 3x + 28x = 31x
35 + 31x = 180

Solving
35 + 31x = 180

Solving for variable 'x'.

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

Add '-35' to each side of the equation.
35 + -35 + 31x = 180 + -35

Combine like terms: 35 + -35 = 0
0 + 31x = 180 + -35
31x = 180 + -35

Combine like terms: 180 + -35 = 145
31x = 145

Divide each side by '31'.
x = 4.677419355

Simplifying
x = 4.677419355

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