3+2(-y+5y-7)=45

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Solution for 3+2(-y+5y-7)=45 equation:


Simplifying
3 + 2(-1y + 5y + -7) = 45

Reorder the terms:
3 + 2(-7 + -1y + 5y) = 45

Combine like terms: -1y + 5y = 4y
3 + 2(-7 + 4y) = 45
3 + (-7 * 2 + 4y * 2) = 45
3 + (-14 + 8y) = 45

Combine like terms: 3 + -14 = -11
-11 + 8y = 45

Solving
-11 + 8y = 45

Solving for variable 'y'.

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

Add '11' to each side of the equation.
-11 + 11 + 8y = 45 + 11

Combine like terms: -11 + 11 = 0
0 + 8y = 45 + 11
8y = 45 + 11

Combine like terms: 45 + 11 = 56
8y = 56

Divide each side by '8'.
y = 7

Simplifying
y = 7

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