I need help!
- 7(x + 2) = 21

x = -5

Step-by-step explanation:

-7(x + 2) = 21

Divide each side by -7

-7/-7(x + 2) = 21/-7

x+2 = -3

Subtract 2 from each side

x+2-2 = -3-2

x = -5

30 units^2

step-by-step explanation:

area is l × w

the length is 3

and the width is 10

3 × 10= 30 units squared

step-by-step explanation:

ok so im not 100% sure but you would start by adding 5.1t and 1.9t beacuse they have the same variable. that is 7t.   then add -3.6 + 1.2 which is -2.4

so then keep that as -2.4 + 7t. i apologize if this is incorrect. best luck on your test < 3