Question

Which value of x is a solution for the given equation?

A) 5
B) 7
C) 9
D) 13
2)
Which value of x is a solution for this equation?

7 − 4x = −12 − 3x
A) 5
B) 7
C) 19
D) 23

Answer 1

C. 19

Explanation:

7 - 4X = -12 - 3X

7 - 4X +12 = -3X

19 = +4X -3X

19 = X

Answer 2

1. C) 9

2. C) 19

Explanation:

`1)5x + 12 = 57`

➡️
`5x = 57 - 12`

➡️
`5x = 45`

➡️
`x = 9` ✅

‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐

`2)7 - 4x = - 12 - 3x`

➡️
`- 4x + 3x = - 12 - 7`

➡️
`- x = - 19`

➡️
`x = 19` ✅