what is the answer of this question 2a+2b=28 and a_b=4
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Answered by
1
Answer:
a=4+b
2(4+b)+2b=28
8+4b=28
4b=20
b=5
Answered by
0
a-b=4
a=4+b
2(4+b) + 2b = 28
8 + 2b + 2b = 28
8 + 4b = 28
4b = 28 - 8
4b = 20
b = 20/4
b=5
a=4+5=9
Therefore,
a=9
b=5
a=4+b
2(4+b) + 2b = 28
8 + 2b + 2b = 28
8 + 4b = 28
4b = 28 - 8
4b = 20
b = 20/4
b=5
a=4+5=9
Therefore,
a=9
b=5
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