-10=2u+7(u+5)

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Solution for -10=2u+7(u+5) equation:


Simplifying
-10 = 2u + 7(u + 5)

Reorder the terms:
-10 = 2u + 7(5 + u)
-10 = 2u + (5 * 7 + u * 7)
-10 = 2u + (35 + 7u)

Reorder the terms:
-10 = 35 + 2u + 7u

Combine like terms: 2u + 7u = 9u
-10 = 35 + 9u

Solving
-10 = 35 + 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.
-10 + -9u = 35 + 9u + -9u

Combine like terms: 9u + -9u = 0
-10 + -9u = 35 + 0
-10 + -9u = 35

Add '10' to each side of the equation.
-10 + 10 + -9u = 35 + 10

Combine like terms: -10 + 10 = 0
0 + -9u = 35 + 10
-9u = 35 + 10

Combine like terms: 35 + 10 = 45
-9u = 45

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

Simplifying
u = -5

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