4(3r-2)=3(r+7)

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Solution for 4(3r-2)=3(r+7) equation:


Simplifying
4(3r + -2) = 3(r + 7)

Reorder the terms:
4(-2 + 3r) = 3(r + 7)
(-2 * 4 + 3r * 4) = 3(r + 7)
(-8 + 12r) = 3(r + 7)

Reorder the terms:
-8 + 12r = 3(7 + r)
-8 + 12r = (7 * 3 + r * 3)
-8 + 12r = (21 + 3r)

Solving
-8 + 12r = 21 + 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.
-8 + 12r + -3r = 21 + 3r + -3r

Combine like terms: 12r + -3r = 9r
-8 + 9r = 21 + 3r + -3r

Combine like terms: 3r + -3r = 0
-8 + 9r = 21 + 0
-8 + 9r = 21

Add '8' to each side of the equation.
-8 + 8 + 9r = 21 + 8

Combine like terms: -8 + 8 = 0
0 + 9r = 21 + 8
9r = 21 + 8

Combine like terms: 21 + 8 = 29
9r = 29

Divide each side by '9'.
r = 3.222222222

Simplifying
r = 3.222222222

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