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azamat
3 years ago
9

How many solutions does 0.75(x+40)=0.35(x+20)+0.35(x+20) have?

Mathematics
2 answers:
aev [14]3 years ago
5 0

0.75(x + 40) = 0.35(x + 20) + 0.35(x + 20)

is the answer d

Neporo4naja [7]3 years ago
4 0
Only one because there is one variable and the combined coefficients of x are non-zero.
(0.75(x+40)=0.70(x+20), 0.05x=14-30=-16, x=-320)
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