To solve this system of equations using the combination method, what could you multiply each equation by to cancel out the x-var

Question

3 years ago

11

To solve this system of equations using the combination method, what could you multiply each equation by to cancel out the x-var

iable?
A: 5x−2y=10
B: 4x+3y=7

Question 1 options:

Multiply A by -4 and B by 5

Multiply A by 4 and B by 3

Multiply A by -3 and B by 2

Multiply A by 3 and B by 2

Mathematics

1 answer:

vovangra [49] · Answer 1 · 2021-11-08T02:51:48+03:00

Since you want to cancel x-terms, you're only concerned with the x-term coefficients, 5 and 4. You will want to use the opposite of one of these. It usually works well to multiply the equation with the least y-coefficient by the negative multiplier. That is ...

Multiply A by -4 and B by 5.