7r+10=3r+50

show the work with the answer. also, if you could do the check, that would be very . you s much : ))

7r+10 = 3r+50

7r-3r = 50-10

4r = 40

r=10

For Check:- put value of r=10 in original equation;

7(10)+10 = 3(10) +50

80 = 80

R.H.S = L.H.S

So, solution is correct

answer: when you burn wood, the carbon reacts with the oxygen in the air to create ash and smoke. that is a permanent change you cannot undo that.

step-by-step explanation: