Mathematics
09.05.2020 21:11
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The sum of two numbers is 87. if three times the smaller number is subtracted from
The sum of two numbers is 87. if three times the smaller number is subtracted from the larger number the result is seven. find the two numbers
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fsdfsf
4,5(88 marks)
a-3b=7
a=7+3b
a+b=87
(7+3b)+b=87
7+4b=87
4b=87-7
4b=80
b=20
a=7+3b
a=7+3*20
a=7+60
a=67
quintinjerome
4,4(27 marks)
a
Step-by-step explanation:
x²≥4⇒ x≥2 or x≤-2Popular Questions about the subject: Mathematics
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