9.8=t-42.1

Solution for 9.8=t-42.1 equation:

Simplifying
9.8 = t + -42.1

Reorder the terms:
9.8 = -42.1 + t

Solving
9.8 = -42.1 + 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.
9.8 + -1t = -42.1 + t + -1t

Combine like terms: t + -1t = 0
9.8 + -1t = -42.1 + 0
9.8 + -1t = -42.1

Add '-9.8' to each side of the equation.
9.8 + -9.8 + -1t = -42.1 + -9.8

Combine like terms: 9.8 + -9.8 = 0.0
0.0 + -1t = -42.1 + -9.8
-1t = -42.1 + -9.8

Combine like terms: -42.1 + -9.8 = -51.9
-1t = -51.9

Divide each side by '-1'.
t = 51.9

Simplifying
t = 51.9