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Zina [86]
3 years ago
13

4x + 8y =40 when y=0.8?

Mathematics
1 answer:
amid [387]3 years ago
3 0
<span>4x + 8y =40
</span><span>4x + 8* 0.8 =40
</span><span>4x + 6.4 =40
</span>4x = 40 - 6.4
4x = 33.6
x = 33.6/4
x = 8.4
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