2x-31+2x-16=21

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Solution for 2x-31+2x-16=21 equation:


Simplifying
2x + -31 + 2x + -16 = 21

Reorder the terms:
-31 + -16 + 2x + 2x = 21

Combine like terms: -31 + -16 = -47
-47 + 2x + 2x = 21

Combine like terms: 2x + 2x = 4x
-47 + 4x = 21

Solving
-47 + 4x = 21

Solving for variable 'x'.

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

Add '47' to each side of the equation.
-47 + 47 + 4x = 21 + 47

Combine like terms: -47 + 47 = 0
0 + 4x = 21 + 47
4x = 21 + 47

Combine like terms: 21 + 47 = 68
4x = 68

Divide each side by '4'.
x = 17

Simplifying
x = 17

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