12x-(7x-1)=66

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Solution for 12x-(7x-1)=66 equation:


Simplifying
12x + -1(7x + -1) = 66

Reorder the terms:
12x + -1(-1 + 7x) = 66
12x + (-1 * -1 + 7x * -1) = 66
12x + (1 + -7x) = 66

Reorder the terms:
1 + 12x + -7x = 66

Combine like terms: 12x + -7x = 5x
1 + 5x = 66

Solving
1 + 5x = 66

Solving for variable 'x'.

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

Add '-1' to each side of the equation.
1 + -1 + 5x = 66 + -1

Combine like terms: 1 + -1 = 0
0 + 5x = 66 + -1
5x = 66 + -1

Combine like terms: 66 + -1 = 65
5x = 65

Divide each side by '5'.
x = 13

Simplifying
x = 13

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