Single Variable
3+6=x
x= 9
y = x5
x= 4
y= 20
(2+2) x 4=x
x=16
The meaning of Varible in math
A symbol of a unknown number we don't know yet.
I bought five bags of apples. In each bags there are 4 apples. How many apples did I bought.
I bought 20 apples
6x=24
x=4
3=x
6+x = y
y= 9
5x7+(4+4)=x
x=43
The meaning of multiple variable
Two or more unknown variable or numbers.
I have two birds, the first lay 9 eggs and the second laid 8 eggs. How many eggs did they lay altogether
17 eggs
9=x+8
x=1
y + 3= x
x=86
y= 83
(7x7x7x7)+5=
2406
What the ''B'' stands for in bedmas
B stands for bracket
Bob bought 6 apples and some bananas.. He brought home 70 fruits. How much bananas did he bought.
64 bananas
70=x+38
x=32
x + y = 400
x= 384
y=16
(9x9)+(7+7)x5=x
x=151
What BEDMAS stands for
Bob have 70 apples. He ate 32 of them. How much apples does he have left.
38. He have 38 apples left
5x=80
x=16
x= 5y
x= 400
y=80
(7+7+7)x(8x8)x9+3= x
x=12099
What is math
the abstract science of number, quantity, and space, either as abstract concepts
Jack have 89 eggs. He ate 83 eggs. How many eggs will he have left if he ate 2 more eggs.
he would have 4 eggs left