-6u+15=7(u+4)

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Solution for -6u+15=7(u+4) equation:


Simplifying
-6u + 15 = 7(u + 4)

Reorder the terms:
15 + -6u = 7(u + 4)

Reorder the terms:
15 + -6u = 7(4 + u)
15 + -6u = (4 * 7 + u * 7)
15 + -6u = (28 + 7u)

Solving
15 + -6u = 28 + 7u

Solving for variable 'u'.

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

Add '-7u' to each side of the equation.
15 + -6u + -7u = 28 + 7u + -7u

Combine like terms: -6u + -7u = -13u
15 + -13u = 28 + 7u + -7u

Combine like terms: 7u + -7u = 0
15 + -13u = 28 + 0
15 + -13u = 28

Add '-15' to each side of the equation.
15 + -15 + -13u = 28 + -15

Combine like terms: 15 + -15 = 0
0 + -13u = 28 + -15
-13u = 28 + -15

Combine like terms: 28 + -15 = 13
-13u = 13

Divide each side by '-13'.
u = -1

Simplifying
u = -1

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