Question

Solve each equation and verify the solution

a) 5+2x=25
b) 14=5x-6
c) 15=4x+7

Answer 1

Hi there!

Your answers are:

a) x= 10

b) x= 4

c) x= 2

Explanation:

a) 5+2x=25

-5

2x= 20

/2

x= 10

Plug back in!

5+2(10)= 25

5+20=25

25=25✓✓✓

b) 14= 5x-6

+6

5x= 20

/5

x= 4

14= 5(4)-6

14= 20-6

14=14✓✓✓

c) 15= 4x+7

-7

8= 4x

/4

2=x

15= 4(2)+7

15= 8+7

15= 15✓✓✓

Hope this helps!