-2(8r+7)+2(3r+4)=

Solution for -2(8r+7)+2(3r+4)= equation:

Simplifying
-2(8r + 7) + 2(3r + 4) = 0

Reorder the terms:
-2(7 + 8r) + 2(3r + 4) = 0
(7 * -2 + 8r * -2) + 2(3r + 4) = 0
(-14 + -16r) + 2(3r + 4) = 0

Reorder the terms:
-14 + -16r + 2(4 + 3r) = 0
-14 + -16r + (4 * 2 + 3r * 2) = 0
-14 + -16r + (8 + 6r) = 0

Reorder the terms:
-14 + 8 + -16r + 6r = 0

Combine like terms: -14 + 8 = -6
-6 + -16r + 6r = 0

Combine like terms: -16r + 6r = -10r
-6 + -10r = 0

Solving
-6 + -10r = 0

Solving for variable 'r'.

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

Add '6' to each side of the equation.
-6 + 6 + -10r = 0 + 6

Combine like terms: -6 + 6 = 0
0 + -10r = 0 + 6
-10r = 0 + 6

Combine like terms: 0 + 6 = 6
-10r = 6

Divide each side by '-10'.
r = -0.6

Simplifying
r = -0.6