Step-by-step explanation:
a:b=7:4 b:c=2:5
a:c = 7:5
aku gak tau apa Jawaban nya Jadi aku Minta maaf
Answer:
bbbbbbbbbbbbbbbbbbbbbbbbb
<span>6( 5-8x) +12= -54
30-48x+12=-54 this comes from distributing(multiplying) 6x5 and 6 times -8x
30+12-48x=-54 you have to add the coefficients 30+12
42-48x=-54
-42 -42
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-48x=-96 divide by -48
x=2</span>
