0.4y-0.7=2.9

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Solution for 0.4y-0.7=2.9 equation: 


Simplifying
0.4y + -0.7 = 2.9

Reorder the terms:
-0.7 + 0.4y = 2.9

Solving
-0.7 + 0.4y = 2.9

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 + 0.4y = 2.9 + 0.7

Combine like terms: -0.7 + 0.7 = 0.0
0.0 + 0.4y = 2.9 + 0.7
0.4y = 2.9 + 0.7

Combine like terms: 2.9 + 0.7 = 3.6
0.4y = 3.6

Divide each side by '0.4'.
y = 9

Simplifying
y = 9

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