5r+4=9(r-3)

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Solution for 5r+4=9(r-3) equation:


Simplifying
5r + 4 = 9(r + -3)

Reorder the terms:
4 + 5r = 9(r + -3)

Reorder the terms:
4 + 5r = 9(-3 + r)
4 + 5r = (-3 * 9 + r * 9)
4 + 5r = (-27 + 9r)

Solving
4 + 5r = -27 + 9r

Solving for variable 'r'.

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

Add '-9r' to each side of the equation.
4 + 5r + -9r = -27 + 9r + -9r

Combine like terms: 5r + -9r = -4r
4 + -4r = -27 + 9r + -9r

Combine like terms: 9r + -9r = 0
4 + -4r = -27 + 0
4 + -4r = -27

Add '-4' to each side of the equation.
4 + -4 + -4r = -27 + -4

Combine like terms: 4 + -4 = 0
0 + -4r = -27 + -4
-4r = -27 + -4

Combine like terms: -27 + -4 = -31
-4r = -31

Divide each side by '-4'.
r = 7.75

Simplifying
r = 7.75

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