-30y+9=100y+100

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Solution for -30y+9=100y+100 equation:


Simplifying
-30y + 9 = 100y + 100

Reorder the terms:
9 + -30y = 100y + 100

Reorder the terms:
9 + -30y = 100 + 100y

Solving
9 + -30y = 100 + 100y

Solving for variable 'y'.

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

Add '-100y' to each side of the equation.
9 + -30y + -100y = 100 + 100y + -100y

Combine like terms: -30y + -100y = -130y
9 + -130y = 100 + 100y + -100y

Combine like terms: 100y + -100y = 0
9 + -130y = 100 + 0
9 + -130y = 100

Add '-9' to each side of the equation.
9 + -9 + -130y = 100 + -9

Combine like terms: 9 + -9 = 0
0 + -130y = 100 + -9
-130y = 100 + -9

Combine like terms: 100 + -9 = 91
-130y = 91

Divide each side by '-130'.
y = -0.7

Simplifying
y = -0.7

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