Math, asked by ruchika9, 1 year ago


6(3a - 1) + 3(2a + 3) = 1 - 7a

Answers

Answered by shardul1925
6
6(3a−1)+3(2a+3)=1−7a
18a-6+6a+9=1-7a
18a+6a+7a=1+6-9
31a=-2
a= - 2/31

ruchika9: good job
shardul1925: thxx
ruchika9: hi
ridhya77677: hi
ruchika9: 0.3t+0.2=0.4t+0.5
ruchika9: tell me answer
ridhya77677: ok
ridhya77677: 0.3t-0.4t = 0.4-0.2→ -0.1t = 0.2→ t = - 0.2/0.1→so t = -2
Answered by ridhya77677
3
6(3a-1)+3(2a+3) = 1-7a
→18a-6+6a+9 = 1-7a
→24a+3 = 1-7a
→24a+7a = 1-3
→31a = -2
→a = -2/31
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