20y-40=7y-10

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Solution for 20y-40=7y-10 equation:


Simplifying
20y + -40 = 7y + -10

Reorder the terms:
-40 + 20y = 7y + -10

Reorder the terms:
-40 + 20y = -10 + 7y

Solving
-40 + 20y = -10 + 7y

Solving for variable 'y'.

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

Add '-7y' to each side of the equation.
-40 + 20y + -7y = -10 + 7y + -7y

Combine like terms: 20y + -7y = 13y
-40 + 13y = -10 + 7y + -7y

Combine like terms: 7y + -7y = 0
-40 + 13y = -10 + 0
-40 + 13y = -10

Add '40' to each side of the equation.
-40 + 40 + 13y = -10 + 40

Combine like terms: -40 + 40 = 0
0 + 13y = -10 + 40
13y = -10 + 40

Combine like terms: -10 + 40 = 30
13y = 30

Divide each side by '13'.
y = 2.307692308

Simplifying
y = 2.307692308

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