A signed number is a number with either a + or - in front of it. this doesn't mean that you are adding or subtracting it though. a negative number is a signed number. a positive or whole number is a signed number, but we don't usually write the + sign in front of it
hope this helped :)
Answer:
68 cookies
Step-by-step explanation:
72 x (1/2+4/9)= 68
There are 68 cookies left to bake
Answer:
x=2
Step-by-step explanation:
5(7-x)-3(x+4)-4=4(x-3)+7
35-5x-3x-12-4=4x-12+7
19-8x=4x-5
+8x. +8x
24=12x
x=2
