-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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