10(2a+19×20) = 1280
Find a : )
Answers
Answered by
1
Answer:
here a= -1836
Step-by-step explanation:
20a=1280-38000=>20a=-36720
=>a=-36720÷20
a=-1836
Answered by
2
Answer:
10(2a+19×20)=1280
10(2a+380)=1280
20a+3800=1280
20a=1280-3800
20a=-2520
a=-2520/20
a=-252/2
a=-126
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