31-8[y+5]=7

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Solution for 31-8[y+5]=7 equation:


Simplifying
31 + -8[y + 5] = 7

Reorder the terms:
31 + -8[5 + y] = 7
31 + [5 * -8 + y * -8] = 7
31 + [-40 + -8y] = 7

Combine like terms: 31 + -40 = -9
-9 + -8y = 7

Solving
-9 + -8y = 7

Solving for variable 'y'.

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

Add '9' to each side of the equation.
-9 + 9 + -8y = 7 + 9

Combine like terms: -9 + 9 = 0
0 + -8y = 7 + 9
-8y = 7 + 9

Combine like terms: 7 + 9 = 16
-8y = 16

Divide each side by '-8'.
y = -2

Simplifying
y = -2

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