7x+4(x-17)=31

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Solution for 7x+4(x-17)=31 equation:


Simplifying
7x + 4(x + -17) = 31

Reorder the terms:
7x + 4(-17 + x) = 31
7x + (-17 * 4 + x * 4) = 31
7x + (-68 + 4x) = 31

Reorder the terms:
-68 + 7x + 4x = 31

Combine like terms: 7x + 4x = 11x
-68 + 11x = 31

Solving
-68 + 11x = 31

Solving for variable 'x'.

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

Add '68' to each side of the equation.
-68 + 68 + 11x = 31 + 68

Combine like terms: -68 + 68 = 0
0 + 11x = 31 + 68
11x = 31 + 68

Combine like terms: 31 + 68 = 99
11x = 99

Divide each side by '11'.
x = 9

Simplifying
x = 9

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