Answer:
B- x= 10
Step-by-step explanation:
40x=400 -> 40 x 10= 400
The sequence is -3, -3, +3, +3
the next number is -3
Answer:
-7
Step-by-step explanation:
-2(x+5)=4
open the bracket with -2
-2x - 10 = 4
combine the like terms
-2x = 4 + 10
-2x = 14
divide by -2
-2x/-2 = 14/-2
x = -7
Answer:
28cm
Step-by-step explanation:
7x4
or
7+7+7+7
