Question

please give me the answer​

Answer 1

Answer:

1 Solve by try and error method

a x - 7 = 18

x = 18 + 7

x = 25

b 10 x = 90

x = 90 ÷ 10

x = 9

Step-by-step explanation:

5 Check the equation

a x + 3 = 11 ( x = 10 )

x + 3 = 11

10 + 3 = 11

X = 10 is not a solution .