3y+4(7y-2)=85

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Solution for 3y+4(7y-2)=85 equation:


Simplifying
3y + 4(7y + -2) = 85

Reorder the terms:
3y + 4(-2 + 7y) = 85
3y + (-2 * 4 + 7y * 4) = 85
3y + (-8 + 28y) = 85

Reorder the terms:
-8 + 3y + 28y = 85

Combine like terms: 3y + 28y = 31y
-8 + 31y = 85

Solving
-8 + 31y = 85

Solving for variable 'y'.

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

Add '8' to each side of the equation.
-8 + 8 + 31y = 85 + 8

Combine like terms: -8 + 8 = 0
0 + 31y = 85 + 8
31y = 85 + 8

Combine like terms: 85 + 8 = 93
31y = 93

Divide each side by '31'.
y = 3

Simplifying
y = 3

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