Question

What should be done to these equations in order to solve a system of equations by elimination? 1-30 + 2y = 16 2.2 + 5y =21 Multiply the first equation by 2 and the second equation by 3. Multiply the first equation by 3 and the second equations by 2. Multiply the first equation by 3. Nothing needs to be done, since they both equal have 2's and 3's for coefficients.

Answer 1

Given the system of equations:

`\begin{gathered} -3x+2y=16\rightarrow(1) \\ 2x+5y=21\rightarrow(2) \end{gathered}`

As shown, the coefficients of x are {-3, 2}

To solve the system by elimination, we can eliminate (x) by multiplying the first equation by 2 and the second equation by 3

So, the answer will be the first option

Multiply the first equation by 2 and the second equation by 3.