4r-9=2r+1

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Solution for 4r-9=2r+1 equation:


Simplifying
4r + -9 = 2r + 1

Reorder the terms:
-9 + 4r = 2r + 1

Reorder the terms:
-9 + 4r = 1 + 2r

Solving
-9 + 4r = 1 + 2r

Solving for variable 'r'.

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

Add '-2r' to each side of the equation.
-9 + 4r + -2r = 1 + 2r + -2r

Combine like terms: 4r + -2r = 2r
-9 + 2r = 1 + 2r + -2r

Combine like terms: 2r + -2r = 0
-9 + 2r = 1 + 0
-9 + 2r = 1

Add '9' to each side of the equation.
-9 + 9 + 2r = 1 + 9

Combine like terms: -9 + 9 = 0
0 + 2r = 1 + 9
2r = 1 + 9

Combine like terms: 1 + 9 = 10
2r = 10

Divide each side by '2'.
r = 5

Simplifying
r = 5

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