5+4r-3=9r+8-7r

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Solution for 5+4r-3=9r+8-7r equation:


Simplifying
5 + 4r + -3 = 9r + 8 + -7r

Reorder the terms:
5 + -3 + 4r = 9r + 8 + -7r

Combine like terms: 5 + -3 = 2
2 + 4r = 9r + 8 + -7r

Reorder the terms:
2 + 4r = 8 + 9r + -7r

Combine like terms: 9r + -7r = 2r
2 + 4r = 8 + 2r

Solving
2 + 4r = 8 + 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.
2 + 4r + -2r = 8 + 2r + -2r

Combine like terms: 4r + -2r = 2r
2 + 2r = 8 + 2r + -2r

Combine like terms: 2r + -2r = 0
2 + 2r = 8 + 0
2 + 2r = 8

Add '-2' to each side of the equation.
2 + -2 + 2r = 8 + -2

Combine like terms: 2 + -2 = 0
0 + 2r = 8 + -2
2r = 8 + -2

Combine like terms: 8 + -2 = 6
2r = 6

Divide each side by '2'.
r = 3

Simplifying
r = 3

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