7(u+3)=-6u+8

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Solution for 7(u+3)=-6u+8 equation:


Simplifying
7(u + 3) = -6u + 8

Reorder the terms:
7(3 + u) = -6u + 8
(3 * 7 + u * 7) = -6u + 8
(21 + 7u) = -6u + 8

Reorder the terms:
21 + 7u = 8 + -6u

Solving
21 + 7u = 8 + -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.
21 + 7u + 6u = 8 + -6u + 6u

Combine like terms: 7u + 6u = 13u
21 + 13u = 8 + -6u + 6u

Combine like terms: -6u + 6u = 0
21 + 13u = 8 + 0
21 + 13u = 8

Add '-21' to each side of the equation.
21 + -21 + 13u = 8 + -21

Combine like terms: 21 + -21 = 0
0 + 13u = 8 + -21
13u = 8 + -21

Combine like terms: 8 + -21 = -13
13u = -13

Divide each side by '13'.
u = -1

Simplifying
u = -1

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