7(2y+3)-2(3y+7)=67

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Solution for 7(2y+3)-2(3y+7)=67 equation:


Simplifying
7(2y + 3) + -2(3y + 7) = 67

Reorder the terms:
7(3 + 2y) + -2(3y + 7) = 67
(3 * 7 + 2y * 7) + -2(3y + 7) = 67
(21 + 14y) + -2(3y + 7) = 67

Reorder the terms:
21 + 14y + -2(7 + 3y) = 67
21 + 14y + (7 * -2 + 3y * -2) = 67
21 + 14y + (-14 + -6y) = 67

Reorder the terms:
21 + -14 + 14y + -6y = 67

Combine like terms: 21 + -14 = 7
7 + 14y + -6y = 67

Combine like terms: 14y + -6y = 8y
7 + 8y = 67

Solving
7 + 8y = 67

Solving for variable 'y'.

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

Add '-7' to each side of the equation.
7 + -7 + 8y = 67 + -7

Combine like terms: 7 + -7 = 0
0 + 8y = 67 + -7
8y = 67 + -7

Combine like terms: 67 + -7 = 60
8y = 60

Divide each side by '8'.
y = 7.5

Simplifying
y = 7.5

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