7x+16-2x=31

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Solution for 7x+16-2x=31 equation:


Simplifying
7x + 16 + -2x = 31

Reorder the terms:
16 + 7x + -2x = 31

Combine like terms: 7x + -2x = 5x
16 + 5x = 31

Solving
16 + 5x = 31

Solving for variable 'x'.

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

Add '-16' to each side of the equation.
16 + -16 + 5x = 31 + -16

Combine like terms: 16 + -16 = 0
0 + 5x = 31 + -16
5x = 31 + -16

Combine like terms: 31 + -16 = 15
5x = 15

Divide each side by '5'.
x = 3

Simplifying
x = 3

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