-6(3r+10)+4(4r+10)=

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Solution for -6(3r+10)+4(4r+10)= equation:


Simplifying
-6(3r + 10) + 4(4r + 10) = 0

Reorder the terms:
-6(10 + 3r) + 4(4r + 10) = 0
(10 * -6 + 3r * -6) + 4(4r + 10) = 0
(-60 + -18r) + 4(4r + 10) = 0

Reorder the terms:
-60 + -18r + 4(10 + 4r) = 0
-60 + -18r + (10 * 4 + 4r * 4) = 0
-60 + -18r + (40 + 16r) = 0

Reorder the terms:
-60 + 40 + -18r + 16r = 0

Combine like terms: -60 + 40 = -20
-20 + -18r + 16r = 0

Combine like terms: -18r + 16r = -2r
-20 + -2r = 0

Solving
-20 + -2r = 0

Solving for variable 'r'.

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

Add '20' to each side of the equation.
-20 + 20 + -2r = 0 + 20

Combine like terms: -20 + 20 = 0
0 + -2r = 0 + 20
-2r = 0 + 20

Combine like terms: 0 + 20 = 20
-2r = 20

Divide each side by '-2'.
r = -10

Simplifying
r = -10

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