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

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


Simplifying
-2(3r + 6) + 5(r + -7) = 0

Reorder the terms:
-2(6 + 3r) + 5(r + -7) = 0
(6 * -2 + 3r * -2) + 5(r + -7) = 0
(-12 + -6r) + 5(r + -7) = 0

Reorder the terms:
-12 + -6r + 5(-7 + r) = 0
-12 + -6r + (-7 * 5 + r * 5) = 0
-12 + -6r + (-35 + 5r) = 0

Reorder the terms:
-12 + -35 + -6r + 5r = 0

Combine like terms: -12 + -35 = -47
-47 + -6r + 5r = 0

Combine like terms: -6r + 5r = -1r
-47 + -1r = 0

Solving
-47 + -1r = 0

Solving for variable 'r'.

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

Add '47' to each side of the equation.
-47 + 47 + -1r = 0 + 47

Combine like terms: -47 + 47 = 0
0 + -1r = 0 + 47
-1r = 0 + 47

Combine like terms: 0 + 47 = 47
-1r = 47

Divide each side by '-1'.
r = -47

Simplifying
r = -47

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