7r-3=10r

Solution for 7r-3=10r equation:

Simplifying
7r + -3 = 10r

Reorder the terms:
-3 + 7r = 10r

Solving
-3 + 7r = 10r

Solving for variable 'r'.

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

Add '-10r' to each side of the equation.
-3 + 7r + -10r = 10r + -10r

Combine like terms: 7r + -10r = -3r
-3 + -3r = 10r + -10r

Combine like terms: 10r + -10r = 0
-3 + -3r = 0

Add '3' to each side of the equation.
-3 + 3 + -3r = 0 + 3

Combine like terms: -3 + 3 = 0
0 + -3r = 0 + 3
-3r = 0 + 3

Combine like terms: 0 + 3 = 3
-3r = 3

Divide each side by '-3'.
r = -1

Simplifying
r = -1