4.2=5.2+t

Solution for 4.2=5.2+t equation:

Simplifying
4.2 = 5.2 + t

Solving
4.2 = 5.2 + t

Solving for variable 't'.

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

Add '-1t' to each side of the equation.
4.2 + -1t = 5.2 + t + -1t

Combine like terms: t + -1t = 0
4.2 + -1t = 5.2 + 0
4.2 + -1t = 5.2

Add '-4.2' to each side of the equation.
4.2 + -4.2 + -1t = 5.2 + -4.2

Combine like terms: 4.2 + -4.2 = 0.0
0.0 + -1t = 5.2 + -4.2
-1t = 5.2 + -4.2

Combine like terms: 5.2 + -4.2 = 1
-1t = 1

Divide each side by '-1'.
t = -1

Simplifying
t = -1