7x-6(x-5)-42=0

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Solution for 7x-6(x-5)-42=0 equation:


Simplifying
7x + -6(x + -5) + -42 = 0

Reorder the terms:
7x + -6(-5 + x) + -42 = 0
7x + (-5 * -6 + x * -6) + -42 = 0
7x + (30 + -6x) + -42 = 0

Reorder the terms:
30 + -42 + 7x + -6x = 0

Combine like terms: 30 + -42 = -12
-12 + 7x + -6x = 0

Combine like terms: 7x + -6x = 1x
-12 + 1x = 0

Solving
-12 + 1x = 0

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 + 1x = 0 + 12

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

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

Divide each side by '1'.
x = 12

Simplifying
x = 12

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