Guys, i'm having trouble and i need some
3+x/-2=10

= -14

Explanation:

3 -

1

2

x

= 10

Subtract 3 from both sides; -

1

2

x

=7

Multiply both sides by -2;

x

= -14

180 square centimeters

step-by-step explanation:

dc=6 square root of 3 and ac is 12 square root 3

c and d

step-by-step explanation:

square root of 3/2 = 18/c

cross multiply to get 18*2=√3*c

36/√3 * √3/√3 = c

c= 36*√3/3

c=12√3