Question

Evaluate the following expressions if a = 2, b = -3, c = -1, and d = 4. then solve for
2a + C

Answer 1

3

Explanation:

`a = 2\\ b = -3\\c = -1\\ d = 4\\\\2a+c =?\\2(2) +(-1)\\\\\mathrm{Follow\:the\:PEMDAS\:order\:of\:operations}\\\\\mathrm{Multiply\:and\:divide\:\left(left\:to\:right\right)}\:2\left(2\right)\::\quad 4\\=4+\left(-1\right)\\\\\mathrm{Add\:and\:subtract\:\left(left\:to\:right\right)}\:4+\left(-1\right)\:\\:\quad 3`

Answer 2

3

Explanation:

2a + C

Let a = 2 and c = -1

2* 2 + -1

4 -1

3