-5(4r-7)+8=3r

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Solution for -5(4r-7)+8=3r equation:


Simplifying
-5(4r + -7) + 8 = 3r

Reorder the terms:
-5(-7 + 4r) + 8 = 3r
(-7 * -5 + 4r * -5) + 8 = 3r
(35 + -20r) + 8 = 3r

Reorder the terms:
35 + 8 + -20r = 3r

Combine like terms: 35 + 8 = 43
43 + -20r = 3r

Solving
43 + -20r = 3r

Solving for variable 'r'.

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

Add '-3r' to each side of the equation.
43 + -20r + -3r = 3r + -3r

Combine like terms: -20r + -3r = -23r
43 + -23r = 3r + -3r

Combine like terms: 3r + -3r = 0
43 + -23r = 0

Add '-43' to each side of the equation.
43 + -43 + -23r = 0 + -43

Combine like terms: 43 + -43 = 0
0 + -23r = 0 + -43
-23r = 0 + -43

Combine like terms: 0 + -43 = -43
-23r = -43

Divide each side by '-23'.
r = 1.869565217

Simplifying
r = 1.869565217

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