3x+4(6x-15)=129

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Solution for 3x+4(6x-15)=129 equation:


Simplifying
3x + 4(6x + -15) = 129

Reorder the terms:
3x + 4(-15 + 6x) = 129
3x + (-15 * 4 + 6x * 4) = 129
3x + (-60 + 24x) = 129

Reorder the terms:
-60 + 3x + 24x = 129

Combine like terms: 3x + 24x = 27x
-60 + 27x = 129

Solving
-60 + 27x = 129

Solving for variable 'x'.

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

Add '60' to each side of the equation.
-60 + 60 + 27x = 129 + 60

Combine like terms: -60 + 60 = 0
0 + 27x = 129 + 60
27x = 129 + 60

Combine like terms: 129 + 60 = 189
27x = 189

Divide each side by '27'.
x = 7

Simplifying
x = 7

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