3x+7(x+6)=122

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


Simplifying
3x + 7(x + 6) = 122

Reorder the terms:
3x + 7(6 + x) = 122
3x + (6 * 7 + x * 7) = 122
3x + (42 + 7x) = 122

Reorder the terms:
42 + 3x + 7x = 122

Combine like terms: 3x + 7x = 10x
42 + 10x = 122

Solving
42 + 10x = 122

Solving for variable 'x'.

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

Add '-42' to each side of the equation.
42 + -42 + 10x = 122 + -42

Combine like terms: 42 + -42 = 0
0 + 10x = 122 + -42
10x = 122 + -42

Combine like terms: 122 + -42 = 80
10x = 80

Divide each side by '10'.
x = 8

Simplifying
x = 8

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