Question

Solving the following system using the elimination of substitution method.

5a+3b=11
-2a+3=b

Answer 1

a = -2

b = 7

Explanation:

5a+3b=11

-2a+3=b

substitute for b:

5a + 3(-2a + 3) = 11

5a -6a + 9 = 11

-a = 2

a = -2

b = 7