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

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


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

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

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

Remove parenthesis around (7 + r)
-8 + 12r = 7 + r

Solving
-8 + 12r = 7 + r

Solving for variable 'r'.

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

Add '-1r' to each side of the equation.
-8 + 12r + -1r = 7 + r + -1r

Combine like terms: 12r + -1r = 11r
-8 + 11r = 7 + r + -1r

Combine like terms: r + -1r = 0
-8 + 11r = 7 + 0
-8 + 11r = 7

Add '8' to each side of the equation.
-8 + 8 + 11r = 7 + 8

Combine like terms: -8 + 8 = 0
0 + 11r = 7 + 8
11r = 7 + 8

Combine like terms: 7 + 8 = 15
11r = 15

Divide each side by '11'.
r = 1.363636364

Simplifying
r = 1.363636364

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