7y-2(8+1u)=4

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Solution for 7y-2(8+1u)=4 equation:


Simplifying
7y + -2(8 + 1u) = 4
7y + (8 * -2 + 1u * -2) = 4
7y + (-16 + -2u) = 4

Reorder the terms:
-16 + -2u + 7y = 4

Solving
-16 + -2u + 7y = 4

Solving for variable 'u'.

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

Add '16' to each side of the equation.
-16 + -2u + 16 + 7y = 4 + 16

Reorder the terms:
-16 + 16 + -2u + 7y = 4 + 16

Combine like terms: -16 + 16 = 0
0 + -2u + 7y = 4 + 16
-2u + 7y = 4 + 16

Combine like terms: 4 + 16 = 20
-2u + 7y = 20

Add '-7y' to each side of the equation.
-2u + 7y + -7y = 20 + -7y

Combine like terms: 7y + -7y = 0
-2u + 0 = 20 + -7y
-2u = 20 + -7y

Divide each side by '-2'.
u = -10 + 3.5y

Simplifying
u = -10 + 3.5y

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