5x+3(4x-15)=57

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Solution for 5x+3(4x-15)=57 equation:


Simplifying
5x + 3(4x + -15) = 57

Reorder the terms:
5x + 3(-15 + 4x) = 57
5x + (-15 * 3 + 4x * 3) = 57
5x + (-45 + 12x) = 57

Reorder the terms:
-45 + 5x + 12x = 57

Combine like terms: 5x + 12x = 17x
-45 + 17x = 57

Solving
-45 + 17x = 57

Solving for variable 'x'.

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

Add '45' to each side of the equation.
-45 + 45 + 17x = 57 + 45

Combine like terms: -45 + 45 = 0
0 + 17x = 57 + 45
17x = 57 + 45

Combine like terms: 57 + 45 = 102
17x = 102

Divide each side by '17'.
x = 6

Simplifying
x = 6

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