7u-3=-6(u+7)

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Solution for 7u-3=-6(u+7) equation:


Simplifying
7u + -3 = -6(u + 7)

Reorder the terms:
-3 + 7u = -6(u + 7)

Reorder the terms:
-3 + 7u = -6(7 + u)
-3 + 7u = (7 * -6 + u * -6)
-3 + 7u = (-42 + -6u)

Solving
-3 + 7u = -42 + -6u

Solving for variable 'u'.

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

Add '6u' to each side of the equation.
-3 + 7u + 6u = -42 + -6u + 6u

Combine like terms: 7u + 6u = 13u
-3 + 13u = -42 + -6u + 6u

Combine like terms: -6u + 6u = 0
-3 + 13u = -42 + 0
-3 + 13u = -42

Add '3' to each side of the equation.
-3 + 3 + 13u = -42 + 3

Combine like terms: -3 + 3 = 0
0 + 13u = -42 + 3
13u = -42 + 3

Combine like terms: -42 + 3 = -39
13u = -39

Divide each side by '13'.
u = -3

Simplifying
u = -3

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