2.2(y+1)-4.5y=1.8+20

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Solution for 2.2(y+1)-4.5y=1.8+20 equation: 


Simplifying
2.2(y + 1) + -4.5y = 1.8 + 20

Reorder the terms:
2.2(1 + y) + -4.5y = 1.8 + 20
(1 * 2.2 + y * 2.2) + -4.5y = 1.8 + 20
(2.2 + 2.2y) + -4.5y = 1.8 + 20

Combine like terms: 2.2y + -4.5y = -2.3y
2.2 + -2.3y = 1.8 + 20

Combine like terms: 1.8 + 20 = 21.8
2.2 + -2.3y = 21.8

Solving
2.2 + -2.3y = 21.8

Solving for variable 'y'.

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

Add '-2.2' to each side of the equation.
2.2 + -2.2 + -2.3y = 21.8 + -2.2

Combine like terms: 2.2 + -2.2 = 0.0
0.0 + -2.3y = 21.8 + -2.2
-2.3y = 21.8 + -2.2

Combine like terms: 21.8 + -2.2 = 19.6
-2.3y = 19.6

Divide each side by '-2.3'.
y = -8.52173913

Simplifying
y = -8.52173913

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