2(3h - 9) when h = 4.2

Hope this will help u..

7.2

Step-by-step explanation:

2(3h - 9) when h = 4.2

Plug the value into the expression

We have

2 (3 x 4.2 - 9)

2(12.6 - 9)

Simplify the bracket

2 (3.6)

2 x 3.6

7.2

1/800 is the right answer

the solution is the point

step-by-step explanation:

we have

> equation a

> equation b

adds equation a and equation b

substitute the value of x in equation b to find the value of y

the solution is the point