-23=5u+7(u+7)

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Solution for -23=5u+7(u+7) equation:


Simplifying
-23 = 5u + 7(u + 7)

Reorder the terms:
-23 = 5u + 7(7 + u)
-23 = 5u + (7 * 7 + u * 7)
-23 = 5u + (49 + 7u)

Reorder the terms:
-23 = 49 + 5u + 7u

Combine like terms: 5u + 7u = 12u
-23 = 49 + 12u

Solving
-23 = 49 + 12u

Solving for variable 'u'.

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

Add '-12u' to each side of the equation.
-23 + -12u = 49 + 12u + -12u

Combine like terms: 12u + -12u = 0
-23 + -12u = 49 + 0
-23 + -12u = 49

Add '23' to each side of the equation.
-23 + 23 + -12u = 49 + 23

Combine like terms: -23 + 23 = 0
0 + -12u = 49 + 23
-12u = 49 + 23

Combine like terms: 49 + 23 = 72
-12u = 72

Divide each side by '-12'.
u = -6

Simplifying
u = -6

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