4.2=1.7+y

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Solution for 4.2=1.7+y equation:


Simplifying
4.2 = 1.7 + y

Solving
4.2 = 1.7 + 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 = 1.7 + y + -1y

Combine like terms: y + -1y = 0
4.2 + -1y = 1.7 + 0
4.2 + -1y = 1.7

Add '-4.2' to each side of the equation.
4.2 + -4.2 + -1y = 1.7 + -4.2

Combine like terms: 4.2 + -4.2 = 0.0
0.0 + -1y = 1.7 + -4.2
-1y = 1.7 + -4.2

Combine like terms: 1.7 + -4.2 = -2.5
-1y = -2.5

Divide each side by '-1'.
y = 2.5

Simplifying
y = 2.5

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