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

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


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

Reorder the terms:
4(-4 + 3r) = 3(r + 9) + 2
(-4 * 4 + 3r * 4) = 3(r + 9) + 2
(-16 + 12r) = 3(r + 9) + 2

Reorder the terms:
-16 + 12r = 3(9 + r) + 2
-16 + 12r = (9 * 3 + r * 3) + 2
-16 + 12r = (27 + 3r) + 2

Reorder the terms:
-16 + 12r = 27 + 2 + 3r

Combine like terms: 27 + 2 = 29
-16 + 12r = 29 + 3r

Solving
-16 + 12r = 29 + 3r

Solving for variable 'r'.

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

Add '-3r' to each side of the equation.
-16 + 12r + -3r = 29 + 3r + -3r

Combine like terms: 12r + -3r = 9r
-16 + 9r = 29 + 3r + -3r

Combine like terms: 3r + -3r = 0
-16 + 9r = 29 + 0
-16 + 9r = 29

Add '16' to each side of the equation.
-16 + 16 + 9r = 29 + 16

Combine like terms: -16 + 16 = 0
0 + 9r = 29 + 16
9r = 29 + 16

Combine like terms: 29 + 16 = 45
9r = 45

Divide each side by '9'.
r = 5

Simplifying
r = 5

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