-9(u-7)=-4u+18

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Solution for -9(u-7)=-4u+18 equation: 


Simplifying
-9(u + -7) = -4u + 18

Reorder the terms:
-9(-7 + u) = -4u + 18
(-7 * -9 + u * -9) = -4u + 18
(63 + -9u) = -4u + 18

Reorder the terms:
63 + -9u = 18 + -4u

Solving
63 + -9u = 18 + -4u

Solving for variable 'u'.

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

Add '4u' to each side of the equation.
63 + -9u + 4u = 18 + -4u + 4u

Combine like terms: -9u + 4u = -5u
63 + -5u = 18 + -4u + 4u

Combine like terms: -4u + 4u = 0
63 + -5u = 18 + 0
63 + -5u = 18

Add '-63' to each side of the equation.
63 + -63 + -5u = 18 + -63

Combine like terms: 63 + -63 = 0
0 + -5u = 18 + -63
-5u = 18 + -63

Combine like terms: 18 + -63 = -45
-5u = -45

Divide each side by '-5'.
u = 9

Simplifying
u = 9

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