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10 votes
What is -6(3r-8)=138

2 Answers

4 votes

Answer: r=−5

Explanation:

−6(3r−8)=138

(−6)(3r)+(−6)(−8)=138(Distribute)

−18r+48=138

Step 2: Subtract 48 from both sides.

−18r+48−48=138−48

−18r=90

Step 3: Divide both sides by -18.

−18r /−18 = 90 /−18 r= −5

User Letseatlunch
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3.2k points
2 votes
So 3-8 is -5 and the -6x -5 is -30r so r is 128
User Uwe Geuder
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