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

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


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

Reorder the terms:
3(-5 + 4r) + -6r = 4r + 7
(-5 * 3 + 4r * 3) + -6r = 4r + 7
(-15 + 12r) + -6r = 4r + 7

Combine like terms: 12r + -6r = 6r
-15 + 6r = 4r + 7

Reorder the terms:
-15 + 6r = 7 + 4r

Solving
-15 + 6r = 7 + 4r

Solving for variable 'r'.

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

Add '-4r' to each side of the equation.
-15 + 6r + -4r = 7 + 4r + -4r

Combine like terms: 6r + -4r = 2r
-15 + 2r = 7 + 4r + -4r

Combine like terms: 4r + -4r = 0
-15 + 2r = 7 + 0
-15 + 2r = 7

Add '15' to each side of the equation.
-15 + 15 + 2r = 7 + 15

Combine like terms: -15 + 15 = 0
0 + 2r = 7 + 15
2r = 7 + 15

Combine like terms: 7 + 15 = 22
2r = 22

Divide each side by '2'.
r = 11

Simplifying
r = 11

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