Respuesta :

chetankachana

Answer:

r = 28

Step-by-step explanation:

We want to have r on one side and one side only

Expand the parenthesis:

5(x - 4) + 4 + r = 4(x + 3) + x

5x - 20 + 4 + r = 4x + 12 + x

Subtract 5x from both sides

-20 + 4 + r = 12

Add 20 and subtract 4 from both sides

4 + r = 32

r = 28

-Chetan K

jjoseph37

Answer:

Answer Below

Step-by-step explanation:

5(x - 4) + 4 + r = 4 + r = 4(x+3) + x

= 5(x-4) + 4 + r - 5 (x - 4) = 4 ( x + 3) + x - 5 (x - 4)

= 4 + r - 4 = 32 - 4

= r = 28

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