2(3r-7)+4(3r+2)=6(5r+9)+3

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Solution for 2(3r-7)+4(3r+2)=6(5r+9)+3 equation:


Simplifying
2(3r + -7) + 4(3r + 2) = 6(5r + 9) + 3

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

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

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

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

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

Reorder the terms:
-6 + 18r = 6(9 + 5r) + 3
-6 + 18r = (9 * 6 + 5r * 6) + 3
-6 + 18r = (54 + 30r) + 3

Reorder the terms:
-6 + 18r = 54 + 3 + 30r

Combine like terms: 54 + 3 = 57
-6 + 18r = 57 + 30r

Solving
-6 + 18r = 57 + 30r

Solving for variable 'r'.

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

Add '-30r' to each side of the equation.
-6 + 18r + -30r = 57 + 30r + -30r

Combine like terms: 18r + -30r = -12r
-6 + -12r = 57 + 30r + -30r

Combine like terms: 30r + -30r = 0
-6 + -12r = 57 + 0
-6 + -12r = 57

Add '6' to each side of the equation.
-6 + 6 + -12r = 57 + 6

Combine like terms: -6 + 6 = 0
0 + -12r = 57 + 6
-12r = 57 + 6

Combine like terms: 57 + 6 = 63
-12r = 63

Divide each side by '-12'.
r = -5.25

Simplifying
r = -5.25

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