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

asked Dec 28, 2019 166k views

1 vote

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6 votes

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

is the answer d

8.4k points

5 votes

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)

Dredozubov answered Jan 2, 2020

7.9k points

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