-0.5y-0.5y+20=13

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Solution for -0.5y-0.5y+20=13 equation:


Simplifying
-0.5y + -0.5y + 20 = 13

Reorder the terms:
20 + -0.5y + -0.5y = 13

Combine like terms: -0.5y + -0.5y = -1y
20 + -1y = 13

Solving
20 + -1y = 13

Solving for variable 'y'.

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

Add '-20' to each side of the equation.
20 + -20 + -1y = 13 + -20

Combine like terms: 20 + -20 = 0
0 + -1y = 13 + -20
-1y = 13 + -20

Combine like terms: 13 + -20 = -7
-1y = -7

Divide each side by '-1'.
y = 7

Simplifying
y = 7

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