7+4u=70-3y

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Solution for 7+4u=70-3y equation: 


Simplifying
7 + 4u = 70 + -3y

Solving
7 + 4u = 70 + -3y

Solving for variable 'u'.

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

Add '-7' to each side of the equation.
7 + -7 + 4u = 70 + -7 + -3y

Combine like terms: 7 + -7 = 0
0 + 4u = 70 + -7 + -3y
4u = 70 + -7 + -3y

Combine like terms: 70 + -7 = 63
4u = 63 + -3y

Divide each side by '4'.
u = 15.75 + -0.75y

Simplifying
u = 15.75 + -0.75y

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