7y-2(8y+1)-3=4

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Solution for 7y-2(8y+1)-3=4 equation:


Simplifying
7y + -2(8y + 1) + -3 = 4

Reorder the terms:
7y + -2(1 + 8y) + -3 = 4
7y + (1 * -2 + 8y * -2) + -3 = 4
7y + (-2 + -16y) + -3 = 4

Reorder the terms:
-2 + -3 + 7y + -16y = 4

Combine like terms: -2 + -3 = -5
-5 + 7y + -16y = 4

Combine like terms: 7y + -16y = -9y
-5 + -9y = 4

Solving
-5 + -9y = 4

Solving for variable 'y'.

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

Add '5' to each side of the equation.
-5 + 5 + -9y = 4 + 5

Combine like terms: -5 + 5 = 0
0 + -9y = 4 + 5
-9y = 4 + 5

Combine like terms: 4 + 5 = 9
-9y = 9

Divide each side by '-9'.
y = -1

Simplifying
y = -1

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