Question

What is 4x+2(3x7)= if x=5

Answer 1

`4x + 2(3\cdot7) = ?`

Now we must solve this equation if x = 5. To do so we must substitute:

`4(5)+2(3\cdot7)\\`

Using PEMDAS we will solve for the parenthesis first.

`4(5)+2(21)`

Multiply:

`20+(42)`

Add:

`20+42=62`

Final answer: 62