Vary Variable!
x + 5 =9
What is x =4?
6x = 42
What is x = 7?
5n - 9 = 71
What is n = 16?
25p + 50 = -50
What is p = -4?
Another word for "plug in"
What is substitution?
w - 11 = 4
What is w = 15?
-12y= 144
What is y = -12
2(n + 5) = 2
What is n = -4
8x + 22 =94
What is x = 9?
All four operations ! (spelling counts)
What is addition, subtraction, multiplication and division?
-5 = t - 9
What is t = 4?
-8c = 72
What is c = -9?
3y - 4 =14
What is y = 6?
-15 = -4m + 5
What is m = 5
What is a letter that stands for an unknown value?
What is a variable?
-49 + n = 63
What is n = 112?
-252 = -14y
What is y = 18?
5(x - 1) = 40
What is x = 9
Solve for r: -3(1+4r)= 37
What is r= -10
How many solutions are there to this equation:
3b = 3b
What is infinite solutions?
x - 60 = 16
What is x = 76
132 = 11c
What is c = 12?
4(m - 12) = 36
What is m = 12?
-4(y + 10) = 80
What is x= -30?
True or False. You simplify equations, and you solve equations.
What is false.