12-(-3)=5-(x)+1

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Solution for 12-(-3)=5-(x)+1 equation:


Simplifying
12 + -1(-3) = 5 + -1(x) + 1

Multiply -1 * -3
12 + 3 = 5 + -1(x) + 1

Combine like terms: 12 + 3 = 15
15 = 5 + -1(x) + 1

Reorder the terms:
15 = 5 + 1 + -1x

Combine like terms: 5 + 1 = 6
15 = 6 + -1x

Solving
15 = 6 + -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.
15 + x = 6 + -1x + x

Combine like terms: -1x + x = 0
15 + x = 6 + 0
15 + x = 6

Add '-15' to each side of the equation.
15 + -15 + x = 6 + -15

Combine like terms: 15 + -15 = 0
0 + x = 6 + -15
x = 6 + -15

Combine like terms: 6 + -15 = -9
x = -9

Simplifying
x = -9

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