(9y+0.9)+(-7y-0.8)=

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Solution for (9y+0.9)+(-7y-0.8)= equation:


Simplifying
(9y + 0.9) + (-7y + -0.8) = 0

Reorder the terms:
(0.9 + 9y) + (-7y + -0.8) = 0

Remove parenthesis around (0.9 + 9y)
0.9 + 9y + (-7y + -0.8) = 0

Reorder the terms:
0.9 + 9y + (-0.8 + -7y) = 0

Remove parenthesis around (-0.8 + -7y)
0.9 + 9y + -0.8 + -7y = 0

Reorder the terms:
0.9 + -0.8 + 9y + -7y = 0

Combine like terms: 0.9 + -0.8 = 0.1
0.1 + 9y + -7y = 0

Combine like terms: 9y + -7y = 2y
0.1 + 2y = 0

Solving
0.1 + 2y = 0

Solving for variable 'y'.

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

Add '-0.1' to each side of the equation.
0.1 + -0.1 + 2y = 0 + -0.1

Combine like terms: 0.1 + -0.1 = 0.0
0.0 + 2y = 0 + -0.1
2y = 0 + -0.1

Combine like terms: 0 + -0.1 = -0.1
2y = -0.1

Divide each side by '2'.
y = -0.05

Simplifying
y = -0.05

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