7r-3=10r+30

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Solution for 7r-3=10r+30 equation:


Simplifying
7r + -3 = 10r + 30

Reorder the terms:
-3 + 7r = 10r + 30

Reorder the terms:
-3 + 7r = 30 + 10r

Solving
-3 + 7r = 30 + 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 = 30 + 10r + -10r

Combine like terms: 7r + -10r = -3r
-3 + -3r = 30 + 10r + -10r

Combine like terms: 10r + -10r = 0
-3 + -3r = 30 + 0
-3 + -3r = 30

Add '3' to each side of the equation.
-3 + 3 + -3r = 30 + 3

Combine like terms: -3 + 3 = 0
0 + -3r = 30 + 3
-3r = 30 + 3

Combine like terms: 30 + 3 = 33
-3r = 33

Divide each side by '-3'.
r = -11

Simplifying
r = -11

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