-19=7u+8(u+7)

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Solution for -19=7u+8(u+7) equation:


Simplifying
-19 = 7u + 8(u + 7)

Reorder the terms:
-19 = 7u + 8(7 + u)
-19 = 7u + (7 * 8 + u * 8)
-19 = 7u + (56 + 8u)

Reorder the terms:
-19 = 56 + 7u + 8u

Combine like terms: 7u + 8u = 15u
-19 = 56 + 15u

Solving
-19 = 56 + 15u

Solving for variable 'u'.

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

Add '-15u' to each side of the equation.
-19 + -15u = 56 + 15u + -15u

Combine like terms: 15u + -15u = 0
-19 + -15u = 56 + 0
-19 + -15u = 56

Add '19' to each side of the equation.
-19 + 19 + -15u = 56 + 19

Combine like terms: -19 + 19 = 0
0 + -15u = 56 + 19
-15u = 56 + 19

Combine like terms: 56 + 19 = 75
-15u = 75

Divide each side by '-15'.
u = -5

Simplifying
u = -5

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