7*5-4y=20

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Solution for 7*5-4y=20 equation: 


Simplifying
7 * 5 + -4y = 20

Multiply 7 * 5
35 + -4y = 20

Solving
35 + -4y = 20

Solving for variable 'y'.

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

Add '-35' to each side of the equation.
35 + -35 + -4y = 20 + -35

Combine like terms: 35 + -35 = 0
0 + -4y = 20 + -35
-4y = 20 + -35

Combine like terms: 20 + -35 = -15
-4y = -15

Divide each side by '-4'.
y = 3.75

Simplifying
y = 3.75

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