2x+13+8=x+16

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Solution for 2x+13+8=x+16 equation:


Simplifying
2x + 13 + 8 = x + 16

Reorder the terms:
13 + 8 + 2x = x + 16

Combine like terms: 13 + 8 = 21
21 + 2x = x + 16

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

Solving
21 + 2x = 16 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
21 + 2x + -1x = 16 + x + -1x

Combine like terms: 2x + -1x = 1x
21 + 1x = 16 + x + -1x

Combine like terms: x + -1x = 0
21 + 1x = 16 + 0
21 + 1x = 16

Add '-21' to each side of the equation.
21 + -21 + 1x = 16 + -21

Combine like terms: 21 + -21 = 0
0 + 1x = 16 + -21
1x = 16 + -21

Combine like terms: 16 + -21 = -5
1x = -5

Divide each side by '1'.
x = -5

Simplifying
x = -5

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