4*5=3y-7

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Solution for 4*5=3y-7 equation:


Simplifying
4 * 5 = 3y + -7

Multiply 4 * 5
20 = 3y + -7

Reorder the terms:
20 = -7 + 3y

Solving
20 = -7 + 3y

Solving for variable 'y'.

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

Add '-3y' to each side of the equation.
20 + -3y = -7 + 3y + -3y

Combine like terms: 3y + -3y = 0
20 + -3y = -7 + 0
20 + -3y = -7

Add '-20' to each side of the equation.
20 + -20 + -3y = -7 + -20

Combine like terms: 20 + -20 = 0
0 + -3y = -7 + -20
-3y = -7 + -20

Combine like terms: -7 + -20 = -27
-3y = -27

Divide each side by '-3'.
y = 9

Simplifying
y = 9

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