30y-30-3=21

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Solution for 30y-30-3=21 equation:


Simplifying
30y + -30 + -3 = 21

Reorder the terms:
-30 + -3 + 30y = 21

Combine like terms: -30 + -3 = -33
-33 + 30y = 21

Solving
-33 + 30y = 21

Solving for variable 'y'.

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

Add '33' to each side of the equation.
-33 + 33 + 30y = 21 + 33

Combine like terms: -33 + 33 = 0
0 + 30y = 21 + 33
30y = 21 + 33

Combine like terms: 21 + 33 = 54
30y = 54

Divide each side by '30'.
y = 1.8

Simplifying
y = 1.8

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