Question

Solve each equation and match to the correct solution.
1.
|x + 4| =3 x
2.
|x| = 8
3.
|x - 3| = -5
4.
|x - 10| = 0
5.
|x - 7| + 2 = 12
6.
3 |2x - 4| = 18
a.
-8 and 8
b.
no solution
c.
-3 and 17
d.
-1 and 5
e.
10
f.
-1 and 2

Answer 1

1. x +4=3x 3x-x=4 2x=4 x=2
2.x=8
3. 3-x=5 x=-2
4. 10-x=0 x=10
5. 7-x + 2=12 x= -3
6. 3(4-2x)=18 4-2x=6 2x=-2 x=-1.

Answer 2

1. x +4=3x 3x-x=4 2x=4 x=2

2.x=8

3. 3-x=5 x=-2

4. 10-x=0 x=10

5. 7-x + 2=12 x= -3

6. 3(4-2x)=18 4-2x=6 2x=-2 x=-1.