9r+4(r+5)=4(2r-3)-29

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Solution for 9r+4(r+5)=4(2r-3)-29 equation:


Simplifying
9r + 4(r + 5) = 4(2r + -3) + -29

Reorder the terms:
9r + 4(5 + r) = 4(2r + -3) + -29
9r + (5 * 4 + r * 4) = 4(2r + -3) + -29
9r + (20 + 4r) = 4(2r + -3) + -29

Reorder the terms:
20 + 9r + 4r = 4(2r + -3) + -29

Combine like terms: 9r + 4r = 13r
20 + 13r = 4(2r + -3) + -29

Reorder the terms:
20 + 13r = 4(-3 + 2r) + -29
20 + 13r = (-3 * 4 + 2r * 4) + -29
20 + 13r = (-12 + 8r) + -29

Reorder the terms:
20 + 13r = -12 + -29 + 8r

Combine like terms: -12 + -29 = -41
20 + 13r = -41 + 8r

Solving
20 + 13r = -41 + 8r

Solving for variable 'r'.

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

Add '-8r' to each side of the equation.
20 + 13r + -8r = -41 + 8r + -8r

Combine like terms: 13r + -8r = 5r
20 + 5r = -41 + 8r + -8r

Combine like terms: 8r + -8r = 0
20 + 5r = -41 + 0
20 + 5r = -41

Add '-20' to each side of the equation.
20 + -20 + 5r = -41 + -20

Combine like terms: 20 + -20 = 0
0 + 5r = -41 + -20
5r = -41 + -20

Combine like terms: -41 + -20 = -61
5r = -61

Divide each side by '5'.
r = -12.2

Simplifying
r = -12.2

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