C=x+9, c+x=99, c=99-x
So we have two equations equal to c, c=x+9 and c=99-x, since c=c:
x+9=99-x
2x+9=99
2x=90
x=45, and since c=x+9, c=54
So Charlie weighs 54 kg and his brother weighs 45 kg.
Answer:
its the equal sign which the hip hop give me a pop says the equations equal
Step-by-step explanation:
Answer:
Step-by-step explanation:
There are no fractions I am assuming the fraction is 88/25 which would be 88/5^2
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Inverse both sides
Multiply sides by 4
Subtract sides 8
Done...
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