-9(u-7)-15=75

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Solution for -9(u-7)-15=75 equation:


Simplifying
-9(u + -7) + -15 = 75

Reorder the terms:
-9(-7 + u) + -15 = 75
(-7 * -9 + u * -9) + -15 = 75
(63 + -9u) + -15 = 75

Reorder the terms:
63 + -15 + -9u = 75

Combine like terms: 63 + -15 = 48
48 + -9u = 75

Solving
48 + -9u = 75

Solving for variable 'u'.

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

Add '-48' to each side of the equation.
48 + -48 + -9u = 75 + -48

Combine like terms: 48 + -48 = 0
0 + -9u = 75 + -48
-9u = 75 + -48

Combine like terms: 75 + -48 = 27
-9u = 27

Divide each side by '-9'.
u = -3

Simplifying
u = -3

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