7y-2(8y+1)=9

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Solution for 7y-2(8y+1)=9 equation:


Simplifying
7y + -2(8y + 1) = 9

Reorder the terms:
7y + -2(1 + 8y) = 9
7y + (1 * -2 + 8y * -2) = 9
7y + (-2 + -16y) = 9

Reorder the terms:
-2 + 7y + -16y = 9

Combine like terms: 7y + -16y = -9y
-2 + -9y = 9

Solving
-2 + -9y = 9

Solving for variable 'y'.

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

Add '2' to each side of the equation.
-2 + 2 + -9y = 9 + 2

Combine like terms: -2 + 2 = 0
0 + -9y = 9 + 2
-9y = 9 + 2

Combine like terms: 9 + 2 = 11
-9y = 11

Divide each side by '-9'.
y = -1.222222222

Simplifying
y = -1.222222222

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