4.2=.75+y

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Solution for 4.2=.75+y equation:


Simplifying
4.2 = 0.75 + y

Solving
4.2 = 0.75 + y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
4.2 + -1y = 0.75 + y + -1y

Combine like terms: y + -1y = 0
4.2 + -1y = 0.75 + 0
4.2 + -1y = 0.75

Add '-4.2' to each side of the equation.
4.2 + -4.2 + -1y = 0.75 + -4.2

Combine like terms: 4.2 + -4.2 = 0.0
0.0 + -1y = 0.75 + -4.2
-1y = 0.75 + -4.2

Combine like terms: 0.75 + -4.2 = -3.45
-1y = -3.45

Divide each side by '-1'.
y = 3.45

Simplifying
y = 3.45

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