7x+6(x-21)=-22

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Solution for 7x+6(x-21)=-22 equation:


Simplifying
7x + 6(x + -21) = -22

Reorder the terms:
7x + 6(-21 + x) = -22
7x + (-21 * 6 + x * 6) = -22
7x + (-126 + 6x) = -22

Reorder the terms:
-126 + 7x + 6x = -22

Combine like terms: 7x + 6x = 13x
-126 + 13x = -22

Solving
-126 + 13x = -22

Solving for variable 'x'.

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

Add '126' to each side of the equation.
-126 + 126 + 13x = -22 + 126

Combine like terms: -126 + 126 = 0
0 + 13x = -22 + 126
13x = -22 + 126

Combine like terms: -22 + 126 = 104
13x = 104

Divide each side by '13'.
x = 8

Simplifying
x = 8

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