Question

A set of numbers is shown below:

{1.8, 3.8, 5.4, 8.4, 13.2}

The number __ from the set will make the equation x + 4 = 7.8 true.

Answer 1

Subtract 4 from both sides

4 - 4 = ?
7.8 - 4 = ?

Answer 2

@ellaisyoung does that make sense or no-?

Answer 3

umm no

Answer 4

ok, so we have to subtract 4 from both sides to isolate the variable(which is `x`).

Answer 5

do u understand now?

Answer 6

x + 4 = 7.8
- 4 - 4

Answer 7

yeah so the answer is....

Answer 8

\(\color{#0cbb34}{\text{Originally Posted by}}\) @ellaisyoung
yeah so the answer is....
\(\color{#0cbb34}{\text{End of Quote}}\)
we cant give direct answers, so now, subtract- `7.8 - 4`

Answer 9

3.8?

Answer 10

yes, that means `x = 3.8`

Answer 11

The number `3.8` from the set will make the equation x + 4 = 7.8 true.

Answer 12

do you understand-?

Answer 13

yeah thanks

Answer 14

\(\color{#0cbb34}{\text{Originally Posted by}}\) @ellaisyoung
yeah thanks
\(\color{#0cbb34}{\text{End of Quote}}\)
np