7x+5(-3x-6)=66

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Solution for 7x+5(-3x-6)=66 equation:


Simplifying
7x + 5(-3x + -6) = 66

Reorder the terms:
7x + 5(-6 + -3x) = 66
7x + (-6 * 5 + -3x * 5) = 66
7x + (-30 + -15x) = 66

Reorder the terms:
-30 + 7x + -15x = 66

Combine like terms: 7x + -15x = -8x
-30 + -8x = 66

Solving
-30 + -8x = 66

Solving for variable 'x'.

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

Add '30' to each side of the equation.
-30 + 30 + -8x = 66 + 30

Combine like terms: -30 + 30 = 0
0 + -8x = 66 + 30
-8x = 66 + 30

Combine like terms: 66 + 30 = 96
-8x = 96

Divide each side by '-8'.
x = -12

Simplifying
x = -12

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