3x+7(4x-13)=64

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Solution for 3x+7(4x-13)=64 equation:


Simplifying
3x + 7(4x + -13) = 64

Reorder the terms:
3x + 7(-13 + 4x) = 64
3x + (-13 * 7 + 4x * 7) = 64
3x + (-91 + 28x) = 64

Reorder the terms:
-91 + 3x + 28x = 64

Combine like terms: 3x + 28x = 31x
-91 + 31x = 64

Solving
-91 + 31x = 64

Solving for variable 'x'.

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

Add '91' to each side of the equation.
-91 + 91 + 31x = 64 + 91

Combine like terms: -91 + 91 = 0
0 + 31x = 64 + 91
31x = 64 + 91

Combine like terms: 64 + 91 = 155
31x = 155

Divide each side by '31'.
x = 5

Simplifying
x = 5

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