-122=3x-7(3x+2)

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Solution for -122=3x-7(3x+2) equation:


Simplifying
-122 = 3x + -7(3x + 2)

Reorder the terms:
-122 = 3x + -7(2 + 3x)
-122 = 3x + (2 * -7 + 3x * -7)
-122 = 3x + (-14 + -21x)

Reorder the terms:
-122 = -14 + 3x + -21x

Combine like terms: 3x + -21x = -18x
-122 = -14 + -18x

Solving
-122 = -14 + -18x

Solving for variable 'x'.

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

Add '18x' to each side of the equation.
-122 + 18x = -14 + -18x + 18x

Combine like terms: -18x + 18x = 0
-122 + 18x = -14 + 0
-122 + 18x = -14

Add '122' to each side of the equation.
-122 + 122 + 18x = -14 + 122

Combine like terms: -122 + 122 = 0
0 + 18x = -14 + 122
18x = -14 + 122

Combine like terms: -14 + 122 = 108
18x = 108

Divide each side by '18'.
x = 6

Simplifying
x = 6

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