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

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


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

Combine like terms: -7 + 2 = -5
3(-5) + 3(6r + -2) = 6r + -5r

Multiply 3 * -5
-15 + 3(6r + -2) = 6r + -5r

Reorder the terms:
-15 + 3(-2 + 6r) = 6r + -5r
-15 + (-2 * 3 + 6r * 3) = 6r + -5r
-15 + (-6 + 18r) = 6r + -5r

Combine like terms: -15 + -6 = -21
-21 + 18r = 6r + -5r

Combine like terms: 6r + -5r = 1r
-21 + 18r = 1r

Solving
-21 + 18r = 1r

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.
-21 + 18r + -1r = 1r + -1r

Combine like terms: 18r + -1r = 17r
-21 + 17r = 1r + -1r

Combine like terms: 1r + -1r = 0
-21 + 17r = 0

Add '21' to each side of the equation.
-21 + 21 + 17r = 0 + 21

Combine like terms: -21 + 21 = 0
0 + 17r = 0 + 21
17r = 0 + 21

Combine like terms: 0 + 21 = 21
17r = 21

Divide each side by '17'.
r = 1.235294118

Simplifying
r = 1.235294118

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