3(2y+1)-5(12-7)=-42+30

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Solution for 3(2y+1)-5(12-7)=-42+30 equation:


Simplifying
3(2y + 1) + -5(12 + -7) = -42 + 30

Reorder the terms:
3(1 + 2y) + -5(12 + -7) = -42 + 30
(1 * 3 + 2y * 3) + -5(12 + -7) = -42 + 30
(3 + 6y) + -5(12 + -7) = -42 + 30

Combine like terms: 12 + -7 = 5
3 + 6y + -5(5) = -42 + 30

Multiply -5 * 5
3 + 6y + -25 = -42 + 30

Reorder the terms:
3 + -25 + 6y = -42 + 30

Combine like terms: 3 + -25 = -22
-22 + 6y = -42 + 30

Combine like terms: -42 + 30 = -12
-22 + 6y = -12

Solving
-22 + 6y = -12

Solving for variable 'y'.

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

Add '22' to each side of the equation.
-22 + 22 + 6y = -12 + 22

Combine like terms: -22 + 22 = 0
0 + 6y = -12 + 22
6y = -12 + 22

Combine like terms: -12 + 22 = 10
6y = 10

Divide each side by '6'.
y = 1.666666667

Simplifying
y = 1.666666667

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