5x+3(4x-7)=64

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Solution for 5x+3(4x-7)=64 equation:


Simplifying
5x + 3(4x + -7) = 64

Reorder the terms:
5x + 3(-7 + 4x) = 64
5x + (-7 * 3 + 4x * 3) = 64
5x + (-21 + 12x) = 64

Reorder the terms:
-21 + 5x + 12x = 64

Combine like terms: 5x + 12x = 17x
-21 + 17x = 64

Solving
-21 + 17x = 64

Solving for variable 'x'.

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

Add '21' to each side of the equation.
-21 + 21 + 17x = 64 + 21

Combine like terms: -21 + 21 = 0
0 + 17x = 64 + 21
17x = 64 + 21

Combine like terms: 64 + 21 = 85
17x = 85

Divide each side by '17'.
x = 5

Simplifying
x = 5

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