3r-7=9r+35

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Solution for 3r-7=9r+35 equation:


Simplifying
3r + -7 = 9r + 35

Reorder the terms:
-7 + 3r = 9r + 35

Reorder the terms:
-7 + 3r = 35 + 9r

Solving
-7 + 3r = 35 + 9r

Solving for variable 'r'.

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

Add '-9r' to each side of the equation.
-7 + 3r + -9r = 35 + 9r + -9r

Combine like terms: 3r + -9r = -6r
-7 + -6r = 35 + 9r + -9r

Combine like terms: 9r + -9r = 0
-7 + -6r = 35 + 0
-7 + -6r = 35

Add '7' to each side of the equation.
-7 + 7 + -6r = 35 + 7

Combine like terms: -7 + 7 = 0
0 + -6r = 35 + 7
-6r = 35 + 7

Combine like terms: 35 + 7 = 42
-6r = 42

Divide each side by '-6'.
r = -7

Simplifying
r = -7

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