Question

Find x,2x+4=18 and 4x-6=30​

Answer 1

Answer:

7 and 9

Step-by-step explanation:

2x+4 =18

or, 2x = 14

x = 7

4x-6=30

or, 4x=36

x =9

Answer 2

Answer:

$2x = 18 - 4 \\ 2x = 14 \\ x = 14 \div 2 \\ x = 7$

$4x = 30 + 6 \\ 4x = 36 \\ x = 36 \div 4 \\ x = 9$