Question

How many solutions does the equation 5x + 3x –4 = 10 have? (4 points)


Infinitely many
Zero
Two
One

Answer 1

5x+3x-4=10
8x-4=10
8x=10+4
8x=14
x=14/8
simplify
x=7/4
Answer: 7/4, just one solution.

Answer 2

Thats what I thought thanks

Answer 3

What is the value of x in the equation 3(2x + 4) = –6? (4 points)


19
1
–3
12
@Idealist10

Answer 4

3(2x+4)=-6
6x+12=-6
6x=-6-12
6x=-18
x=-18/6
x=-3
Answer: -3

Answer 5

What is the value of x in the equation 2(2x –5 –4) = 160 –17? (4 points)


40.25
143.0
62.25
80.25

Answer 6

@Idealist10

Answer 7

2(2x-5-4)=160-17
2(2x-9)=143
4x-18=143
4x=143+18
4x=

Answer 8

4x=161
x=161/4
x=40.25
Answer: 40.25

Answer 9

What is the solution to the following equation?

4(3x –6) + 15 = 27 (4 points)


4
2
5
3

Answer 10

4(3x-6)+15=27
4(3x-6)=27-15
4(3x-6)=12
3x-6=12/4
3x-6=3
3x=3+6
3x=9
x=9/3
x=3
Answer: 3