4x+3(x-6)=31

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Solution for 4x+3(x-6)=31 equation:


Simplifying
4x + 3(x + -6) = 31

Reorder the terms:
4x + 3(-6 + x) = 31
4x + (-6 * 3 + x * 3) = 31
4x + (-18 + 3x) = 31

Reorder the terms:
-18 + 4x + 3x = 31

Combine like terms: 4x + 3x = 7x
-18 + 7x = 31

Solving
-18 + 7x = 31

Solving for variable 'x'.

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

Add '18' to each side of the equation.
-18 + 18 + 7x = 31 + 18

Combine like terms: -18 + 18 = 0
0 + 7x = 31 + 18
7x = 31 + 18

Combine like terms: 31 + 18 = 49
7x = 49

Divide each side by '7'.
x = 7

Simplifying
x = 7

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