Posted by **Deborah** on Saturday, November 24, 2012 at 10:26am.

Solve the following system of equations using substitution. What is the value of y?

2x + 3y = 105

x + 2y = 65

A.15

B.25

C.40

D.65

I think it is B??

- math help please -
**mr. potato head âˆžÂ®â˜…â˜…Â¾**, Saturday, November 24, 2012 at 10:36am
pshh. that's easy it's D!

- math help please -
**Deborah**, Saturday, November 24, 2012 at 10:38am
Can you explain and show me how to work this problem?

- math help please -
**PsyDAG**, Saturday, November 24, 2012 at 10:55am
x = 65 - 2y

2x + 3y = 105

Substitute 65-2y for x in second equation and solve for y. Insert that value into the first equation and solve for x. Check by inserting both values into the second equation.

It definitely is not D! You are right with B.

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