7(-3r+2)-1=-35-5r

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Solution for 7(-3r+2)-1=-35-5r equation:


Simplifying
7(-3r + 2) + -1 = -35 + -5r

Reorder the terms:
7(2 + -3r) + -1 = -35 + -5r
(2 * 7 + -3r * 7) + -1 = -35 + -5r
(14 + -21r) + -1 = -35 + -5r

Reorder the terms:
14 + -1 + -21r = -35 + -5r

Combine like terms: 14 + -1 = 13
13 + -21r = -35 + -5r

Solving
13 + -21r = -35 + -5r

Solving for variable 'r'.

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

Add '5r' to each side of the equation.
13 + -21r + 5r = -35 + -5r + 5r

Combine like terms: -21r + 5r = -16r
13 + -16r = -35 + -5r + 5r

Combine like terms: -5r + 5r = 0
13 + -16r = -35 + 0
13 + -16r = -35

Add '-13' to each side of the equation.
13 + -13 + -16r = -35 + -13

Combine like terms: 13 + -13 = 0
0 + -16r = -35 + -13
-16r = -35 + -13

Combine like terms: -35 + -13 = -48
-16r = -48

Divide each side by '-16'.
r = 3

Simplifying
r = 3

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