20-10y-7y+9=

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Solution for 20-10y-7y+9= equation:


Simplifying
20 + -10y + -7y + 9 = 0

Reorder the terms:
20 + 9 + -10y + -7y = 0

Combine like terms: 20 + 9 = 29
29 + -10y + -7y = 0

Combine like terms: -10y + -7y = -17y
29 + -17y = 0

Solving
29 + -17y = 0

Solving for variable 'y'.

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

Add '-29' to each side of the equation.
29 + -29 + -17y = 0 + -29

Combine like terms: 29 + -29 = 0
0 + -17y = 0 + -29
-17y = 0 + -29

Combine like terms: 0 + -29 = -29
-17y = -29

Divide each side by '-17'.
y = 1.705882353

Simplifying
y = 1.705882353

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