1+4r=5r+9

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Solution for 1+4r=5r+9 equation:


Simplifying
1 + 4r = 5r + 9

Reorder the terms:
1 + 4r = 9 + 5r

Solving
1 + 4r = 9 + 5r

Solving for variable 'r'.

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

Add '-5r' to each side of the equation.
1 + 4r + -5r = 9 + 5r + -5r

Combine like terms: 4r + -5r = -1r
1 + -1r = 9 + 5r + -5r

Combine like terms: 5r + -5r = 0
1 + -1r = 9 + 0
1 + -1r = 9

Add '-1' to each side of the equation.
1 + -1 + -1r = 9 + -1

Combine like terms: 1 + -1 = 0
0 + -1r = 9 + -1
-1r = 9 + -1

Combine like terms: 9 + -1 = 8
-1r = 8

Divide each side by '-1'.
r = -8

Simplifying
r = -8

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