3+7=x-15

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Solution for 3+7=x-15 equation: 


Simplifying
3 + 7 = x + -15

Combine like terms: 3 + 7 = 10
10 = x + -15

Reorder the terms:
10 = -15 + x

Solving
10 = -15 + 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.
10 + -1x = -15 + x + -1x

Combine like terms: x + -1x = 0
10 + -1x = -15 + 0
10 + -1x = -15

Add '-10' to each side of the equation.
10 + -10 + -1x = -15 + -10

Combine like terms: 10 + -10 = 0
0 + -1x = -15 + -10
-1x = -15 + -10

Combine like terms: -15 + -10 = -25
-1x = -25

Divide each side by '-1'.
x = 25

Simplifying
x = 25

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