-7u+2=-5u-12

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Solution for -7u+2=-5u-12 equation:


Simplifying
-7u + 2 = -5u + -12

Reorder the terms:
2 + -7u = -5u + -12

Reorder the terms:
2 + -7u = -12 + -5u

Solving
2 + -7u = -12 + -5u

Solving for variable 'u'.

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

Add '5u' to each side of the equation.
2 + -7u + 5u = -12 + -5u + 5u

Combine like terms: -7u + 5u = -2u
2 + -2u = -12 + -5u + 5u

Combine like terms: -5u + 5u = 0
2 + -2u = -12 + 0
2 + -2u = -12

Add '-2' to each side of the equation.
2 + -2 + -2u = -12 + -2

Combine like terms: 2 + -2 = 0
0 + -2u = -12 + -2
-2u = -12 + -2

Combine like terms: -12 + -2 = -14
-2u = -14

Divide each side by '-2'.
u = 7

Simplifying
u = 7

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