7x-(6x+3)=12

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Solution for 7x-(6x+3)=12 equation:


Simplifying
7x + -1(6x + 3) = 12

Reorder the terms:
7x + -1(3 + 6x) = 12
7x + (3 * -1 + 6x * -1) = 12
7x + (-3 + -6x) = 12

Reorder the terms:
-3 + 7x + -6x = 12

Combine like terms: 7x + -6x = 1x
-3 + 1x = 12

Solving
-3 + 1x = 12

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + 1x = 12 + 3

Combine like terms: -3 + 3 = 0
0 + 1x = 12 + 3
1x = 12 + 3

Combine like terms: 12 + 3 = 15
1x = 15

Divide each side by '1'.
x = 15

Simplifying
x = 15

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