-286=4(1+8r)+2r

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Solution for -286=4(1+8r)+2r equation:


Simplifying
-286 = 4(1 + 8r) + 2r
-286 = (1 * 4 + 8r * 4) + 2r
-286 = (4 + 32r) + 2r

Combine like terms: 32r + 2r = 34r
-286 = 4 + 34r

Solving
-286 = 4 + 34r

Solving for variable 'r'.

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

Add '-34r' to each side of the equation.
-286 + -34r = 4 + 34r + -34r

Combine like terms: 34r + -34r = 0
-286 + -34r = 4 + 0
-286 + -34r = 4

Add '286' to each side of the equation.
-286 + 286 + -34r = 4 + 286

Combine like terms: -286 + 286 = 0
0 + -34r = 4 + 286
-34r = 4 + 286

Combine like terms: 4 + 286 = 290
-34r = 290

Divide each side by '-34'.
r = -8.529411765

Simplifying
r = -8.529411765

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