7x-(2x-12)=39

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Solution for 7x-(2x-12)=39 equation:


Simplifying
7x + -1(2x + -12) = 39

Reorder the terms:
7x + -1(-12 + 2x) = 39
7x + (-12 * -1 + 2x * -1) = 39
7x + (12 + -2x) = 39

Reorder the terms:
12 + 7x + -2x = 39

Combine like terms: 7x + -2x = 5x
12 + 5x = 39

Solving
12 + 5x = 39

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 5x = 39 + -12

Combine like terms: 12 + -12 = 0
0 + 5x = 39 + -12
5x = 39 + -12

Combine like terms: 39 + -12 = 27
5x = 27

Divide each side by '5'.
x = 5.4

Simplifying
x = 5.4

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