3y-4(4-5y)=7

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Solution for 3y-4(4-5y)=7 equation:


Simplifying
3y + -4(4 + -5y) = 7
3y + (4 * -4 + -5y * -4) = 7
3y + (-16 + 20y) = 7

Reorder the terms:
-16 + 3y + 20y = 7

Combine like terms: 3y + 20y = 23y
-16 + 23y = 7

Solving
-16 + 23y = 7

Solving for variable 'y'.

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

Add '16' to each side of the equation.
-16 + 16 + 23y = 7 + 16

Combine like terms: -16 + 16 = 0
0 + 23y = 7 + 16
23y = 7 + 16

Combine like terms: 7 + 16 = 23
23y = 23

Divide each side by '23'.
y = 1

Simplifying
y = 1

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