3(5)-4y=7

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Solution for 3(5)-4y=7 equation: 


Simplifying
3(5) + -4y = 7

Multiply 3 * 5
15 + -4y = 7

Solving
15 + -4y = 7

Solving for variable 'y'.

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

Add '-15' to each side of the equation.
15 + -15 + -4y = 7 + -15

Combine like terms: 15 + -15 = 0
0 + -4y = 7 + -15
-4y = 7 + -15

Combine like terms: 7 + -15 = -8
-4y = -8

Divide each side by '-4'.
y = 2

Simplifying
y = 2

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