-7(u-9)=9u-49

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Solution for -7(u-9)=9u-49 equation:


Simplifying
-7(u + -9) = 9u + -49

Reorder the terms:
-7(-9 + u) = 9u + -49
(-9 * -7 + u * -7) = 9u + -49
(63 + -7u) = 9u + -49

Reorder the terms:
63 + -7u = -49 + 9u

Solving
63 + -7u = -49 + 9u

Solving for variable 'u'.

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

Add '-9u' to each side of the equation.
63 + -7u + -9u = -49 + 9u + -9u

Combine like terms: -7u + -9u = -16u
63 + -16u = -49 + 9u + -9u

Combine like terms: 9u + -9u = 0
63 + -16u = -49 + 0
63 + -16u = -49

Add '-63' to each side of the equation.
63 + -63 + -16u = -49 + -63

Combine like terms: 63 + -63 = 0
0 + -16u = -49 + -63
-16u = -49 + -63

Combine like terms: -49 + -63 = -112
-16u = -112

Divide each side by '-16'.
u = 7

Simplifying
u = 7

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