r+45-2t-r-35+t=

Solution for r+45-2t-r-35+t= equation:

Simplifying
r + 45 + -2t + -1r + -35 + t = 0

Reorder the terms:
45 + -35 + r + -1r + -2t + t = 0

Combine like terms: 45 + -35 = 10
10 + r + -1r + -2t + t = 0

Combine like terms: r + -1r = 0
10 + 0 + -2t + t = 0
10 + -2t + t = 0

Combine like terms: -2t + t = -1t
10 + -1t = 0

Solving
10 + -1t = 0

Solving for variable 't'.

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

Add '-10' to each side of the equation.
10 + -10 + -1t = 0 + -10

Combine like terms: 10 + -10 = 0
0 + -1t = 0 + -10
-1t = 0 + -10

Combine like terms: 0 + -10 = -10
-1t = -10

Divide each side by '-1'.
t = 10

Simplifying
t = 10