39-15=3(x-7)

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Solution for 39-15=3(x-7) equation:


Simplifying
39 + -15 = 3(x + -7)

Combine like terms: 39 + -15 = 24
24 = 3(x + -7)

Reorder the terms:
24 = 3(-7 + x)
24 = (-7 * 3 + x * 3)
24 = (-21 + 3x)

Solving
24 = -21 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
24 + -3x = -21 + 3x + -3x

Combine like terms: 3x + -3x = 0
24 + -3x = -21 + 0
24 + -3x = -21

Add '-24' to each side of the equation.
24 + -24 + -3x = -21 + -24

Combine like terms: 24 + -24 = 0
0 + -3x = -21 + -24
-3x = -21 + -24

Combine like terms: -21 + -24 = -45
-3x = -45

Divide each side by '-3'.
x = 15

Simplifying
x = 15

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