10=7y+20

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Solution for 10=7y+20 equation:


Simplifying
10 = 7y + 20

Reorder the terms:
10 = 20 + 7y

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

Combine like terms: 7y + -7y = 0
10 + -7y = 20 + 0
10 + -7y = 20

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

Combine like terms: 10 + -10 = 0
0 + -7y = 20 + -10
-7y = 20 + -10

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

Divide each side by '-7'.
y = -1.428571429

Simplifying
y = -1.428571429

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