21+45=x-65

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Solution for 21+45=x-65 equation:


Simplifying
21 + 45 = x + -65

Combine like terms: 21 + 45 = 66
66 = x + -65

Reorder the terms:
66 = -65 + x

Solving
66 = -65 + 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.
66 + -1x = -65 + x + -1x

Combine like terms: x + -1x = 0
66 + -1x = -65 + 0
66 + -1x = -65

Add '-66' to each side of the equation.
66 + -66 + -1x = -65 + -66

Combine like terms: 66 + -66 = 0
0 + -1x = -65 + -66
-1x = -65 + -66

Combine like terms: -65 + -66 = -131
-1x = -131

Divide each side by '-1'.
x = 131

Simplifying
x = 131

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