2(2y-7)-8(y+6)=31

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Solution for 2(2y-7)-8(y+6)=31 equation:


Simplifying
2(2y + -7) + -8(y + 6) = 31

Reorder the terms:
2(-7 + 2y) + -8(y + 6) = 31
(-7 * 2 + 2y * 2) + -8(y + 6) = 31
(-14 + 4y) + -8(y + 6) = 31

Reorder the terms:
-14 + 4y + -8(6 + y) = 31
-14 + 4y + (6 * -8 + y * -8) = 31
-14 + 4y + (-48 + -8y) = 31

Reorder the terms:
-14 + -48 + 4y + -8y = 31

Combine like terms: -14 + -48 = -62
-62 + 4y + -8y = 31

Combine like terms: 4y + -8y = -4y
-62 + -4y = 31

Solving
-62 + -4y = 31

Solving for variable 'y'.

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

Add '62' to each side of the equation.
-62 + 62 + -4y = 31 + 62

Combine like terms: -62 + 62 = 0
0 + -4y = 31 + 62
-4y = 31 + 62

Combine like terms: 31 + 62 = 93
-4y = 93

Divide each side by '-4'.
y = -23.25

Simplifying
y = -23.25

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