find the value of x so that 3x+3:3::7x-1:5
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Answered by
5
Answer:
3x+3/3=7x-1/5
3x+3*5 = 7x-1*3
3x+15=7x-3
3x-7x = -3-15
-4x=-18
x = -18/-4
= -9/-2
Answered by
2
Answer:
$$\begin{lgathered}\frac{3x + 3}{3} = \frac{7x - 1}{5} \\ 15x + 15 = 21x - 3 \\ 6x = 18 \\ x = 3\end{lgathered}$$
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