7+3r-3=9r+5-5r

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Solution for 7+3r-3=9r+5-5r equation:


Simplifying
7 + 3r + -3 = 9r + 5 + -5r

Reorder the terms:
7 + -3 + 3r = 9r + 5 + -5r

Combine like terms: 7 + -3 = 4
4 + 3r = 9r + 5 + -5r

Reorder the terms:
4 + 3r = 5 + 9r + -5r

Combine like terms: 9r + -5r = 4r
4 + 3r = 5 + 4r

Solving
4 + 3r = 5 + 4r

Solving for variable 'r'.

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

Add '-4r' to each side of the equation.
4 + 3r + -4r = 5 + 4r + -4r

Combine like terms: 3r + -4r = -1r
4 + -1r = 5 + 4r + -4r

Combine like terms: 4r + -4r = 0
4 + -1r = 5 + 0
4 + -1r = 5

Add '-4' to each side of the equation.
4 + -4 + -1r = 5 + -4

Combine like terms: 4 + -4 = 0
0 + -1r = 5 + -4
-1r = 5 + -4

Combine like terms: 5 + -4 = 1
-1r = 1

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

Simplifying
r = -1

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