SOLUTION: Find values for m and b in the following system so that the solution to the system is (-3,4). 5x + 7y = b mx + y = 22

Question 65655: Find values for m and b in the following system so that the solution to the system is (-3,4).
5x + 7y = b
mx + y = 22

Answer by praseenakos@yahoo.com(507) (Show Source): You can put this solution on YOUR website!
QUESTION:

Find values for m and b in the following system so that the solution to the system is (-3,4).
5x + 7y = b
mx + y = 22

ANSWER:

Solution of a system of equation means the set of values which satisfies the
system of equations.

Here the system of equations are in two variables, that is in x and y.

Now substitute these values x=-3 and y = 4 in the given system of equations.

Then the equations become,

5*-3 + 7*4 = b

==> -15 + 28 = b

==> 13 = b

m*-3 + 4 = 22

==> -3m + 4 = 22

==> -3m = 22-4

==> -3m = 18

==> m = 18/-3

==> m = -5

So the values are,

m = -5
b = 13

Hope you understood.

Regards.

praseenakos@yahoo.co.in

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