10-r-3r=7r-23

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Solution for 10-r-3r=7r-23 equation:


Simplifying
10 + -1r + -3r = 7r + -23

Combine like terms: -1r + -3r = -4r
10 + -4r = 7r + -23

Reorder the terms:
10 + -4r = -23 + 7r

Solving
10 + -4r = -23 + 7r

Solving for variable 'r'.

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

Add '-7r' to each side of the equation.
10 + -4r + -7r = -23 + 7r + -7r

Combine like terms: -4r + -7r = -11r
10 + -11r = -23 + 7r + -7r

Combine like terms: 7r + -7r = 0
10 + -11r = -23 + 0
10 + -11r = -23

Add '-10' to each side of the equation.
10 + -10 + -11r = -23 + -10

Combine like terms: 10 + -10 = 0
0 + -11r = -23 + -10
-11r = -23 + -10

Combine like terms: -23 + -10 = -33
-11r = -33

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

Simplifying
r = 3

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