3(5y+7)-4(y+6)=63

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Solution for 3(5y+7)-4(y+6)=63 equation:


Simplifying
3(5y + 7) + -4(y + 6) = 63

Reorder the terms:
3(7 + 5y) + -4(y + 6) = 63
(7 * 3 + 5y * 3) + -4(y + 6) = 63
(21 + 15y) + -4(y + 6) = 63

Reorder the terms:
21 + 15y + -4(6 + y) = 63
21 + 15y + (6 * -4 + y * -4) = 63
21 + 15y + (-24 + -4y) = 63

Reorder the terms:
21 + -24 + 15y + -4y = 63

Combine like terms: 21 + -24 = -3
-3 + 15y + -4y = 63

Combine like terms: 15y + -4y = 11y
-3 + 11y = 63

Solving
-3 + 11y = 63

Solving for variable 'y'.

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

Add '3' to each side of the equation.
-3 + 3 + 11y = 63 + 3

Combine like terms: -3 + 3 = 0
0 + 11y = 63 + 3
11y = 63 + 3

Combine like terms: 63 + 3 = 66
11y = 66

Divide each side by '11'.
y = 6

Simplifying
y = 6

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