-4.2=-0.7y

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Solution for -4.2=-0.7y equation:


Simplifying
-4.2 = -0.7y

Solving
-4.2 = -0.7y

Solving for variable 'y'.

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

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

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

Add '4.2' to each side of the equation.
-4.2 + 4.2 + 0.7y = 0.0 + 4.2

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

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

Divide each side by '0.7'.
y = 6

Simplifying
y = 6

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