Question

Solve the following using any method you choose.

a) 2x + 5 = 45

b) 4x + 1 = 30

pls show all the step.

Answer 1

Step-by-step explanation:

a) 2x + 5 = 45

2x = 45-5

2x = 40

x = 40/2

x = 20

b) 4x + 1 = 30

4x = 30-1

4x = 29

x = 29/4

Answer 2

a) x - 2 = 7

Solution:

Given, x – 2 = 7

By adding 2 to both sides, we get

x – 2 + 2 = 7 + 2

⇒ x = 7 + 2

⇒ x = 9

Step-by-step explanation:

b) y + 3 = 10

Solution:

Given,y + 3 = 10

By subtracting 3 from both sides, we get

y + 3 – 3 = 10 – 3

⇒ y = 10 – 3

⇒ y = 7

i hope its helful for you