.21y-1.7=.11y+1-.8y

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Solution for .21y-1.7=.11y+1-.8y equation:


Simplifying
0.21y + -1.7 = 0.11y + 1 + -0.8y

Reorder the terms:
-1.7 + 0.21y = 0.11y + 1 + -0.8y

Reorder the terms:
-1.7 + 0.21y = 1 + 0.11y + -0.8y

Combine like terms: 0.11y + -0.8y = -0.69y
-1.7 + 0.21y = 1 + -0.69y

Solving
-1.7 + 0.21y = 1 + -0.69y

Solving for variable 'y'.

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

Add '0.69y' to each side of the equation.
-1.7 + 0.21y + 0.69y = 1 + -0.69y + 0.69y

Combine like terms: 0.21y + 0.69y = 0.9y
-1.7 + 0.9y = 1 + -0.69y + 0.69y

Combine like terms: -0.69y + 0.69y = 0.00
-1.7 + 0.9y = 1 + 0.00
-1.7 + 0.9y = 1

Add '1.7' to each side of the equation.
-1.7 + 1.7 + 0.9y = 1 + 1.7

Combine like terms: -1.7 + 1.7 = 0.0
0.0 + 0.9y = 1 + 1.7
0.9y = 1 + 1.7

Combine like terms: 1 + 1.7 = 2.7
0.9y = 2.7

Divide each side by '0.9'.
y = 3

Simplifying
y = 3

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