7u-15=-6(u-9)

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Solution for 7u-15=-6(u-9) equation:


Simplifying
7u + -15 = -6(u + -9)

Reorder the terms:
-15 + 7u = -6(u + -9)

Reorder the terms:
-15 + 7u = -6(-9 + u)
-15 + 7u = (-9 * -6 + u * -6)
-15 + 7u = (54 + -6u)

Solving
-15 + 7u = 54 + -6u

Solving for variable 'u'.

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

Add '6u' to each side of the equation.
-15 + 7u + 6u = 54 + -6u + 6u

Combine like terms: 7u + 6u = 13u
-15 + 13u = 54 + -6u + 6u

Combine like terms: -6u + 6u = 0
-15 + 13u = 54 + 0
-15 + 13u = 54

Add '15' to each side of the equation.
-15 + 15 + 13u = 54 + 15

Combine like terms: -15 + 15 = 0
0 + 13u = 54 + 15
13u = 54 + 15

Combine like terms: 54 + 15 = 69
13u = 69

Divide each side by '13'.
u = 5.307692308

Simplifying
u = 5.307692308

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