x+1=15+3-x

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Solution for x+1=15+3-x equation:


Simplifying
x + 1 = 15 + 3 + -1x

Reorder the terms:
1 + x = 15 + 3 + -1x

Combine like terms: 15 + 3 = 18
1 + x = 18 + -1x

Solving
1 + x = 18 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
1 + x + x = 18 + -1x + x

Combine like terms: x + x = 2x
1 + 2x = 18 + -1x + x

Combine like terms: -1x + x = 0
1 + 2x = 18 + 0
1 + 2x = 18

Add '-1' to each side of the equation.
1 + -1 + 2x = 18 + -1

Combine like terms: 1 + -1 = 0
0 + 2x = 18 + -1
2x = 18 + -1

Combine like terms: 18 + -1 = 17
2x = 17

Divide each side by '2'.
x = 8.5

Simplifying
x = 8.5

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