6x – 13 = 11
x= 4
Solving Equations
x + 3 + 3x = 7
x = 1
4x - 2 = 3x + 5
x = 7
How many solutions does the following equation have?
2x=2x
Infinitely Many Solutions
If you divide a negative number by a negative number, will your answer be positive or negative.
Positive
3x + 5 = 14
x= 3
Solving Equations
5 + 5x - 1 = 29
x = 5
2(x - 4) = 5x + 4
x = -4
How many solutions does the following equation have?
3n+4=3n-4
No Solutions
Find the area of a triangle with a base of 4in. and a height of 3in.
6in2
2x+2 =-8
x= -5
Solving Equations
-45 = 3x + 4 + 4x
x = -7
x = 4
How many solutions does the following equation have?
2(z-1)=2-z
One Solution
Evaluate
2/12 xx 6/11 -: 5/22
4/10
x/2+8=10
x= 4
Solving Equations
14 = -(2a + 6) + 2
a= -9
x = 1
How many solutions does the following equation have?
9(r-1/9)+4=4r+7+5r-3
No Solutions
Solve
5x+8=23
x = 3
(2x)/5-3=1
x= 10
Solving Equations
-21 = 7(5k - 8)
k = 1
6x - 15 + 4x = 5(2x - 3)
How many solutions does the following equation have?
4g -2(g+3)=2(g-3)
Infinitely Many Solutions
If a circle has a circumference of 6π, what is the area of that circle?
9π