35=-5(-r-2)+4(1+4r)

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Solution for 35=-5(-r-2)+4(1+4r) equation:


Simplifying
35 = -5(-1r + -2) + 4(1 + 4r)

Reorder the terms:
35 = -5(-2 + -1r) + 4(1 + 4r)
35 = (-2 * -5 + -1r * -5) + 4(1 + 4r)
35 = (10 + 5r) + 4(1 + 4r)
35 = 10 + 5r + (1 * 4 + 4r * 4)
35 = 10 + 5r + (4 + 16r)

Reorder the terms:
35 = 10 + 4 + 5r + 16r

Combine like terms: 10 + 4 = 14
35 = 14 + 5r + 16r

Combine like terms: 5r + 16r = 21r
35 = 14 + 21r

Solving
35 = 14 + 21r

Solving for variable 'r'.

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

Add '-21r' to each side of the equation.
35 + -21r = 14 + 21r + -21r

Combine like terms: 21r + -21r = 0
35 + -21r = 14 + 0
35 + -21r = 14

Add '-35' to each side of the equation.
35 + -35 + -21r = 14 + -35

Combine like terms: 35 + -35 = 0
0 + -21r = 14 + -35
-21r = 14 + -35

Combine like terms: 14 + -35 = -21
-21r = -21

Divide each side by '-21'.
r = 1

Simplifying
r = 1

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