10y-(4+8)=-20

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Solution for 10y-(4+8)=-20 equation:


Simplifying
10y + -1(4 + 8) = -20

Combine like terms: 4 + 8 = 12
10y + -1(12) = -20

Multiply -1 * 12
10y + -12 = -20

Reorder the terms:
-12 + 10y = -20

Solving
-12 + 10y = -20

Solving for variable 'y'.

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

Add '12' to each side of the equation.
-12 + 12 + 10y = -20 + 12

Combine like terms: -12 + 12 = 0
0 + 10y = -20 + 12
10y = -20 + 12

Combine like terms: -20 + 12 = -8
10y = -8

Divide each side by '10'.
y = -0.8

Simplifying
y = -0.8

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