ghj198
ghj198
26-04-2021
Mathematics
contestada
Please answer 9 and 11
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cryssybug
cryssybug
26-04-2021
Answer:
9. 3x+11+25=90 90-36=54 54/3=x x=18
11. 45+3x=180, 180-45=135, 3x=135, 135/3=45 x=45
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