7x+3(-3x-16)=-66

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Solution for 7x+3(-3x-16)=-66 equation:


Simplifying
7x + 3(-3x + -16) = -66

Reorder the terms:
7x + 3(-16 + -3x) = -66
7x + (-16 * 3 + -3x * 3) = -66
7x + (-48 + -9x) = -66

Reorder the terms:
-48 + 7x + -9x = -66

Combine like terms: 7x + -9x = -2x
-48 + -2x = -66

Solving
-48 + -2x = -66

Solving for variable 'x'.

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

Add '48' to each side of the equation.
-48 + 48 + -2x = -66 + 48

Combine like terms: -48 + 48 = 0
0 + -2x = -66 + 48
-2x = -66 + 48

Combine like terms: -66 + 48 = -18
-2x = -18

Divide each side by '-2'.
x = 9

Simplifying
x = 9

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