Question

Evaluate
2a + 4b
or a = -2 and b = 3​

Answer 1

use the substitution method

2a+4b

2(-2)+4(3)

When Multiplying a positive number and negative number= negative number

-4+12

= 8

Answer is 8

Answer 2

8

Step-by-step explanation:

2a + 4b

for a = -2 and b = 3​

Substitute -2 in for "a" and 3 in for "b"

2*(-2) + 4*(3)

2*-2 = -4 and 4*3 = 12

-4 + 12 = 8

Ans: 8