-302=-5(4+8r)-2

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Solution for -302=-5(4+8r)-2 equation:


Simplifying
-302 = -5(4 + 8r) + -2
-302 = (4 * -5 + 8r * -5) + -2
-302 = (-20 + -40r) + -2

Reorder the terms:
-302 = -20 + -2 + -40r

Combine like terms: -20 + -2 = -22
-302 = -22 + -40r

Solving
-302 = -22 + -40r

Solving for variable 'r'.

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

Add '40r' to each side of the equation.
-302 + 40r = -22 + -40r + 40r

Combine like terms: -40r + 40r = 0
-302 + 40r = -22 + 0
-302 + 40r = -22

Add '302' to each side of the equation.
-302 + 302 + 40r = -22 + 302

Combine like terms: -302 + 302 = 0
0 + 40r = -22 + 302
40r = -22 + 302

Combine like terms: -22 + 302 = 280
40r = 280

Divide each side by '40'.
r = 7

Simplifying
r = 7

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