2Y+1+3-1=45

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Solution for 2Y+1+3-1=45 equation:


Simplifying
2Y + 1 + 3 + -1 = 45

Reorder the terms:
1 + 3 + -1 + 2Y = 45

Combine like terms: 1 + 3 = 4
4 + -1 + 2Y = 45

Combine like terms: 4 + -1 = 3
3 + 2Y = 45

Solving
3 + 2Y = 45

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 + 2Y = 45 + -3

Combine like terms: 3 + -3 = 0
0 + 2Y = 45 + -3
2Y = 45 + -3

Combine like terms: 45 + -3 = 42
2Y = 42

Divide each side by '2'.
Y = 21

Simplifying
Y = 21

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