46=8r+5(5r-4)

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Solution for 46=8r+5(5r-4) equation:


Simplifying
46 = 8r + 5(5r + -4)

Reorder the terms:
46 = 8r + 5(-4 + 5r)
46 = 8r + (-4 * 5 + 5r * 5)
46 = 8r + (-20 + 25r)

Reorder the terms:
46 = -20 + 8r + 25r

Combine like terms: 8r + 25r = 33r
46 = -20 + 33r

Solving
46 = -20 + 33r

Solving for variable 'r'.

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

Add '-33r' to each side of the equation.
46 + -33r = -20 + 33r + -33r

Combine like terms: 33r + -33r = 0
46 + -33r = -20 + 0
46 + -33r = -20

Add '-46' to each side of the equation.
46 + -46 + -33r = -20 + -46

Combine like terms: 46 + -46 = 0
0 + -33r = -20 + -46
-33r = -20 + -46

Combine like terms: -20 + -46 = -66
-33r = -66

Divide each side by '-33'.
r = 2

Simplifying
r = 2

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