Solving Equations (simple)
15+x=45
What is x=30
2(1+10)=x
What is x=22
x+10+7=2x
What is x=17
5x+2y=10
What is x=2
What is y=5
The largest animal on Earth
What is a blue whale
x-10=16
What is x=26
5(7+3)=2x
What is x=25
3x-5+4=4x+2
What is x=-3
7x+6y=21
What is x=3
What is y=3.5
The tallest animal on Earth
What is a giraffe
2x+20=36
What is x=8
-(17-20)=5x
What is x=0.6
5x+x-2+5=14x
What is x=0.375
-8x+3y=24
What is x=-3
What is y=8
The term for animals that cannot control their body temperature
What is cold blooded
12-16+6x=30-17+4
What is x=3.5
3(45-30)=3x
What is x=15
6x-7x+4=7x+2
What is x=0.25
16x-18y=144
What is x=9
What is y=-8
The term for animals without a backbone
What is an invertebrate
11+3x=20+4
What is x=4 1/3
7(16-23)-(17+40)=10+4x
What is x=7.25
7x-(2x+15)=3x-5
What is x=-5
-24x-32y=192
What is x=-8
What is y=-6
The number of years that life has been on Earth
What is 3.5 billion years