Two-Step Equations
Why is the number 6 scared of the number 7?
Because 7 8 9
x/2 + 4=7
What is x=6
2(x-4)+x=3x+4
What is No solution
12=2x+10
What is x=1
x + 2(x+ 3)+5=12
What is x=1/3
How can you tell if an equation has one solution?
If the x's (or variable) does not drop out. (different number of x's on both sides)
2-3x=-28
What is x=10
5x+5y=5(x+y)
What is Infinitely Many Solutions
What number must a represent to make the equation have no solution? ax+10 =-5x +3
What is -5
What is an integer?
Whole numbers and their opposite:
....-3, -2, -1, 0, 1, 2, 3..........