x+8+4=18-1

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Solution for x+8+4=18-1 equation:


Simplifying
x + 8 + 4 = 18 + -1

Reorder the terms:
8 + 4 + x = 18 + -1

Combine like terms: 8 + 4 = 12
12 + x = 18 + -1

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

Solving
12 + x = 17

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + x = 17 + -12

Combine like terms: 12 + -12 = 0
0 + x = 17 + -12
x = 17 + -12

Combine like terms: 17 + -12 = 5
x = 5

Simplifying
x = 5

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