7(3x-4)+2(3x-6)=122

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Solution for 7(3x-4)+2(3x-6)=122 equation:


Simplifying
7(3x + -4) + 2(3x + -6) = 122

Reorder the terms:
7(-4 + 3x) + 2(3x + -6) = 122
(-4 * 7 + 3x * 7) + 2(3x + -6) = 122
(-28 + 21x) + 2(3x + -6) = 122

Reorder the terms:
-28 + 21x + 2(-6 + 3x) = 122
-28 + 21x + (-6 * 2 + 3x * 2) = 122
-28 + 21x + (-12 + 6x) = 122

Reorder the terms:
-28 + -12 + 21x + 6x = 122

Combine like terms: -28 + -12 = -40
-40 + 21x + 6x = 122

Combine like terms: 21x + 6x = 27x
-40 + 27x = 122

Solving
-40 + 27x = 122

Solving for variable 'x'.

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

Add '40' to each side of the equation.
-40 + 40 + 27x = 122 + 40

Combine like terms: -40 + 40 = 0
0 + 27x = 122 + 40
27x = 122 + 40

Combine like terms: 122 + 40 = 162
27x = 162

Divide each side by '27'.
x = 6

Simplifying
x = 6

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