8y+3(7-y)=51

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Solution for 8y+3(7-y)=51 equation:


Simplifying
8y + 3(7 + -1y) = 51
8y + (7 * 3 + -1y * 3) = 51
8y + (21 + -3y) = 51

Reorder the terms:
21 + 8y + -3y = 51

Combine like terms: 8y + -3y = 5y
21 + 5y = 51

Solving
21 + 5y = 51

Solving for variable 'y'.

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

Add '-21' to each side of the equation.
21 + -21 + 5y = 51 + -21

Combine like terms: 21 + -21 = 0
0 + 5y = 51 + -21
5y = 51 + -21

Combine like terms: 51 + -21 = 30
5y = 30

Divide each side by '5'.
y = 6

Simplifying
y = 6

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