-17=4(u+7)+5u

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Solution for -17=4(u+7)+5u equation:


Simplifying
-17 = 4(u + 7) + 5u

Reorder the terms:
-17 = 4(7 + u) + 5u
-17 = (7 * 4 + u * 4) + 5u
-17 = (28 + 4u) + 5u

Combine like terms: 4u + 5u = 9u
-17 = 28 + 9u

Solving
-17 = 28 + 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.
-17 + -9u = 28 + 9u + -9u

Combine like terms: 9u + -9u = 0
-17 + -9u = 28 + 0
-17 + -9u = 28

Add '17' to each side of the equation.
-17 + 17 + -9u = 28 + 17

Combine like terms: -17 + 17 = 0
0 + -9u = 28 + 17
-9u = 28 + 17

Combine like terms: 28 + 17 = 45
-9u = 45

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

Simplifying
u = -5

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