-54=9(u-7)

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Solution for -54=9(u-7) equation:


Simplifying
-54 = 9(u + -7)

Reorder the terms:
-54 = 9(-7 + u)
-54 = (-7 * 9 + u * 9)
-54 = (-63 + 9u)

Solving
-54 = -63 + 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.
-54 + -9u = -63 + 9u + -9u

Combine like terms: 9u + -9u = 0
-54 + -9u = -63 + 0
-54 + -9u = -63

Add '54' to each side of the equation.
-54 + 54 + -9u = -63 + 54

Combine like terms: -54 + 54 = 0
0 + -9u = -63 + 54
-9u = -63 + 54

Combine like terms: -63 + 54 = -9
-9u = -9

Divide each side by '-9'.
u = 1

Simplifying
u = 1

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