-7-5r+4r=5-r-3r

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Solution for -7-5r+4r=5-r-3r equation:


Simplifying
-7 + -5r + 4r = 5 + -1r + -3r

Combine like terms: -5r + 4r = -1r
-7 + -1r = 5 + -1r + -3r

Combine like terms: -1r + -3r = -4r
-7 + -1r = 5 + -4r

Solving
-7 + -1r = 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.
-7 + -1r + 4r = 5 + -4r + 4r

Combine like terms: -1r + 4r = 3r
-7 + 3r = 5 + -4r + 4r

Combine like terms: -4r + 4r = 0
-7 + 3r = 5 + 0
-7 + 3r = 5

Add '7' to each side of the equation.
-7 + 7 + 3r = 5 + 7

Combine like terms: -7 + 7 = 0
0 + 3r = 5 + 7
3r = 5 + 7

Combine like terms: 5 + 7 = 12
3r = 12

Divide each side by '3'.
r = 4

Simplifying
r = 4

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