x+16+x+17=21

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Solution for x+16+x+17=21 equation:


Simplifying
x + 16 + x + 17 = 21

Reorder the terms:
16 + 17 + x + x = 21

Combine like terms: 16 + 17 = 33
33 + x + x = 21

Combine like terms: x + x = 2x
33 + 2x = 21

Solving
33 + 2x = 21

Solving for variable 'x'.

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

Add '-33' to each side of the equation.
33 + -33 + 2x = 21 + -33

Combine like terms: 33 + -33 = 0
0 + 2x = 21 + -33
2x = 21 + -33

Combine like terms: 21 + -33 = -12
2x = -12

Divide each side by '2'.
x = -6

Simplifying
x = -6

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