2(3r-7)+4(3r+2)=(5r+9)+3

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Solution for 2(3r-7)+4(3r+2)=(5r+9)+3 equation:


Simplifying
2(3r + -7) + 4(3r + 2) = (5r + 9) + 3

Reorder the terms:
2(-7 + 3r) + 4(3r + 2) = (5r + 9) + 3
(-7 * 2 + 3r * 2) + 4(3r + 2) = (5r + 9) + 3
(-14 + 6r) + 4(3r + 2) = (5r + 9) + 3

Reorder the terms:
-14 + 6r + 4(2 + 3r) = (5r + 9) + 3
-14 + 6r + (2 * 4 + 3r * 4) = (5r + 9) + 3
-14 + 6r + (8 + 12r) = (5r + 9) + 3

Reorder the terms:
-14 + 8 + 6r + 12r = (5r + 9) + 3

Combine like terms: -14 + 8 = -6
-6 + 6r + 12r = (5r + 9) + 3

Combine like terms: 6r + 12r = 18r
-6 + 18r = (5r + 9) + 3

Reorder the terms:
-6 + 18r = (9 + 5r) + 3

Remove parenthesis around (9 + 5r)
-6 + 18r = 9 + 5r + 3

Reorder the terms:
-6 + 18r = 9 + 3 + 5r

Combine like terms: 9 + 3 = 12
-6 + 18r = 12 + 5r

Solving
-6 + 18r = 12 + 5r

Solving for variable 'r'.

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

Add '-5r' to each side of the equation.
-6 + 18r + -5r = 12 + 5r + -5r

Combine like terms: 18r + -5r = 13r
-6 + 13r = 12 + 5r + -5r

Combine like terms: 5r + -5r = 0
-6 + 13r = 12 + 0
-6 + 13r = 12

Add '6' to each side of the equation.
-6 + 6 + 13r = 12 + 6

Combine like terms: -6 + 6 = 0
0 + 13r = 12 + 6
13r = 12 + 6

Combine like terms: 12 + 6 = 18
13r = 18

Divide each side by '13'.
r = 1.384615385

Simplifying
r = 1.384615385

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