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

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


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

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

Reorder the terms:
-8 + 2y + 7(-3 + y) = 7
-8 + 2y + (-3 * 7 + y * 7) = 7
-8 + 2y + (-21 + 7y) = 7

Reorder the terms:
-8 + -21 + 2y + 7y = 7

Combine like terms: -8 + -21 = -29
-29 + 2y + 7y = 7

Combine like terms: 2y + 7y = 9y
-29 + 9y = 7

Solving
-29 + 9y = 7

Solving for variable 'y'.

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

Add '29' to each side of the equation.
-29 + 29 + 9y = 7 + 29

Combine like terms: -29 + 29 = 0
0 + 9y = 7 + 29
9y = 7 + 29

Combine like terms: 7 + 29 = 36
9y = 36

Divide each side by '9'.
y = 4

Simplifying
y = 4

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