18+3x+4x-6=31

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Solution for 18+3x+4x-6=31 equation:


Simplifying
18 + 3x + 4x + -6 = 31

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

Combine like terms: 18 + -6 = 12
12 + 3x + 4x = 31

Combine like terms: 3x + 4x = 7x
12 + 7x = 31

Solving
12 + 7x = 31

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 7x = 31 + -12

Combine like terms: 12 + -12 = 0
0 + 7x = 31 + -12
7x = 31 + -12

Combine like terms: 31 + -12 = 19
7x = 19

Divide each side by '7'.
x = 2.714285714

Simplifying
x = 2.714285714

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