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Terrific Two-Step Equations!
Exciting Expressions!
Magnificent Multi-Step Equations!
Silly Solutions!
100
4m - 9 = 27
m = 9
100
-9b + 6b
-3b
100
-3(h + 7) = -18
h = -1
100
3x + 12 = 3(4 + x)
infinitely many
200
16 - 2x = 0
x = 8
200
9 - 4r - 7
2 - 4r
200
7 = 6(12 - b) + 1
b =11
200
x/2 - 7 = 9
one solution x = 32
300
-5x - 10 = 10
x = -4
300
2 - 4r + 18r
2 + 14r
300
2(4x - 12) = -40
x = -2
300
6(x - 3) = 3(2x -9)
No solution
400
x/7 - 4 = -2
x = 14
400
-4(7a + 2a) - 5
-36a -5
400
4n - 40 = 7(-2n + 2)
n = 3
400
-12f + 9 = 3(3 - 4f)
Infinitely many solutions
500
28 - 32x = 92
x = -2
500
You download 2 movies and 3 songs. The next week you download 1 movie and 5 songs. Define and use variables to represent your total cost.
m = cost of movie download s = cost of song download 3m + 8s
500
2(c + 1) = c -7
c = -9
500
4(z - 1) = 2z -4
one solution; z = 0