-7=4r-5r

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


Simplifying
-7 = 4r + -5r

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

Solving
-7 = -1r

Solving for variable 'r'.

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

Add 'r' to each side of the equation.
-7 + r = -1r + r

Combine like terms: -1r + r = 0
-7 + r = 0

Add '7' to each side of the equation.
-7 + 7 + r = 0 + 7

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

Combine like terms: 0 + 7 = 7
r = 7

Simplifying
r = 7

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