Question

Question 3 (Multiple Choice Worth 1 points)

Solve for x: 5x + 2 = 4x − 9

7

−7

11

−11



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Question 4 (Multiple Choice Worth 2 points)

Solve for x: 3(x + 1) = −2(x − 1) + 6

1

4

5

25

Answer 1

I guess Albert is solving the first one... so Here's the second:
3(x+1)=-2(x-1)+6
3x+3=-2x+2+6
3x+2x=2+6-3
...

Answer 2

[Question 3]
5x + 2 = 4x - 9
*Add nine to both sides
5x + 11 = 4x
*Subtract 5x from both sides
11 = -1x
*Divide both sides by -1
-11 = x