-7u+5(u-4)=-18

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Solution for -7u+5(u-4)=-18 equation:


Simplifying
-7u + 5(u + -4) = -18

Reorder the terms:
-7u + 5(-4 + u) = -18
-7u + (-4 * 5 + u * 5) = -18
-7u + (-20 + 5u) = -18

Reorder the terms:
-20 + -7u + 5u = -18

Combine like terms: -7u + 5u = -2u
-20 + -2u = -18

Solving
-20 + -2u = -18

Solving for variable 'u'.

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

Add '20' to each side of the equation.
-20 + 20 + -2u = -18 + 20

Combine like terms: -20 + 20 = 0
0 + -2u = -18 + 20
-2u = -18 + 20

Combine like terms: -18 + 20 = 2
-2u = 2

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

Simplifying
u = -1

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