-291=3r+5(2+8r)

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Solution for -291=3r+5(2+8r) equation:


Simplifying
-291 = 3r + 5(2 + 8r)
-291 = 3r + (2 * 5 + 8r * 5)
-291 = 3r + (10 + 40r)

Reorder the terms:
-291 = 10 + 3r + 40r

Combine like terms: 3r + 40r = 43r
-291 = 10 + 43r

Solving
-291 = 10 + 43r

Solving for variable 'r'.

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

Add '-43r' to each side of the equation.
-291 + -43r = 10 + 43r + -43r

Combine like terms: 43r + -43r = 0
-291 + -43r = 10 + 0
-291 + -43r = 10

Add '291' to each side of the equation.
-291 + 291 + -43r = 10 + 291

Combine like terms: -291 + 291 = 0
0 + -43r = 10 + 291
-43r = 10 + 291

Combine like terms: 10 + 291 = 301
-43r = 301

Divide each side by '-43'.
r = -7

Simplifying
r = -7

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