0.4+0.9(35-y)=20

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Solution for 0.4+0.9(35-y)=20 equation:


Simplifying
0.4 + 0.9(35 + -1y) = 20
0.4 + (35 * 0.9 + -1y * 0.9) = 20
0.4 + (31.5 + -0.9y) = 20

Combine like terms: 0.4 + 31.5 = 31.9
31.9 + -0.9y = 20

Solving
31.9 + -0.9y = 20

Solving for variable 'y'.

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

Add '-31.9' to each side of the equation.
31.9 + -31.9 + -0.9y = 20 + -31.9

Combine like terms: 31.9 + -31.9 = 0.0
0.0 + -0.9y = 20 + -31.9
-0.9y = 20 + -31.9

Combine like terms: 20 + -31.9 = -11.9
-0.9y = -11.9

Divide each side by '-0.9'.
y = 13.22222222

Simplifying
y = 13.22222222

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