.9y-.7=4.2

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Solution for .9y-.7=4.2 equation:


Simplifying
0.9y + -0.7 = 4.2

Reorder the terms:
-0.7 + 0.9y = 4.2

Solving
-0.7 + 0.9y = 4.2

Solving for variable 'y'.

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

Add '0.7' to each side of the equation.
-0.7 + 0.7 + 0.9y = 4.2 + 0.7

Combine like terms: -0.7 + 0.7 = 0.0
0.0 + 0.9y = 4.2 + 0.7
0.9y = 4.2 + 0.7

Combine like terms: 4.2 + 0.7 = 4.9
0.9y = 4.9

Divide each side by '0.9'.
y = 5.444444444

Simplifying
y = 5.444444444

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