20=3Y+-7

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Solution for 20=3Y+-7 equation:


Simplifying
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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