-(8+4)-(7y-8)=-1

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Solution for -(8+4)-(7y-8)=-1 equation:


Simplifying
-1(8 + 4) + -1(7y + -8) = -1

Combine like terms: 8 + 4 = 12
-1(12) + -1(7y + -8) = -1

Multiply -1 * 12
-12 + -1(7y + -8) = -1

Reorder the terms:
-12 + -1(-8 + 7y) = -1
-12 + (-8 * -1 + 7y * -1) = -1
-12 + (8 + -7y) = -1

Combine like terms: -12 + 8 = -4
-4 + -7y = -1

Solving
-4 + -7y = -1

Solving for variable 'y'.

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

Add '4' to each side of the equation.
-4 + 4 + -7y = -1 + 4

Combine like terms: -4 + 4 = 0
0 + -7y = -1 + 4
-7y = -1 + 4

Combine like terms: -1 + 4 = 3
-7y = 3

Divide each side by '-7'.
y = -0.4285714286

Simplifying
y = -0.4285714286

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