3x+7(-3x-10)=-178

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Solution for 3x+7(-3x-10)=-178 equation:


Simplifying
3x + 7(-3x + -10) = -178

Reorder the terms:
3x + 7(-10 + -3x) = -178
3x + (-10 * 7 + -3x * 7) = -178
3x + (-70 + -21x) = -178

Reorder the terms:
-70 + 3x + -21x = -178

Combine like terms: 3x + -21x = -18x
-70 + -18x = -178

Solving
-70 + -18x = -178

Solving for variable 'x'.

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

Add '70' to each side of the equation.
-70 + 70 + -18x = -178 + 70

Combine like terms: -70 + 70 = 0
0 + -18x = -178 + 70
-18x = -178 + 70

Combine like terms: -178 + 70 = -108
-18x = -108

Divide each side by '-18'.
x = 6

Simplifying
x = 6

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