-9u-40=-7(u+6)

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Solution for -9u-40=-7(u+6) equation:


Simplifying
-9u + -40 = -7(u + 6)

Reorder the terms:
-40 + -9u = -7(u + 6)

Reorder the terms:
-40 + -9u = -7(6 + u)
-40 + -9u = (6 * -7 + u * -7)
-40 + -9u = (-42 + -7u)

Solving
-40 + -9u = -42 + -7u

Solving for variable 'u'.

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

Add '7u' to each side of the equation.
-40 + -9u + 7u = -42 + -7u + 7u

Combine like terms: -9u + 7u = -2u
-40 + -2u = -42 + -7u + 7u

Combine like terms: -7u + 7u = 0
-40 + -2u = -42 + 0
-40 + -2u = -42

Add '40' to each side of the equation.
-40 + 40 + -2u = -42 + 40

Combine like terms: -40 + 40 = 0
0 + -2u = -42 + 40
-2u = -42 + 40

Combine like terms: -42 + 40 = -2
-2u = -2

Divide each side by '-2'.
u = 1

Simplifying
u = 1

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