-15+8=x+3

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Solution for -15+8=x+3 equation:


Simplifying
-15 + 8 = x + 3

Combine like terms: -15 + 8 = -7
-7 = x + 3

Reorder the terms:
-7 = 3 + x

Solving
-7 = 3 + 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.
-7 + -1x = 3 + x + -1x

Combine like terms: x + -1x = 0
-7 + -1x = 3 + 0
-7 + -1x = 3

Add '7' to each side of the equation.
-7 + 7 + -1x = 3 + 7

Combine like terms: -7 + 7 = 0
0 + -1x = 3 + 7
-1x = 3 + 7

Combine like terms: 3 + 7 = 10
-1x = 10

Divide each side by '-1'.
x = -10

Simplifying
x = -10

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