Backtracking A
What first happens to x in the expression:
2x + 4
2x
What is the inverse operation of (x)?
/
Solve for a:
a + 7 = 15
8
Solve for a:
a + 9 = 11
2
Solve for a:
a + 10 = 21
11
What is the missing operation?
-5
What is the value of x?
10
Solve for a:
5a = 15
3
Solve for a:
a/3 = 2
6
Solve for a:
3a = 36
12
What is the full equation?
What is the value of x?
5x - 9 = 16
x = 5
What is the full equation?
What is the value of x?
2(x+6) = 20
x = 4
Solve for a:
a - 4 = -4
0
Solve for a:
a - 7 = -2
5
Solve for a:
a - 6 = 2
8
Solve for x:
5x + 6 = 11
1
Solve for x:
8x - 9 = 7
2
Solve for a:
2a + 1 = 5
2
Solve for a:
-3 - a = -2
-1
Solve for a:
42
Solve for x:
2
Solve for x:
14
Solve for a:
2a + 1 = 4
3/2
Solve for a:
5a + 2 = 8
6/5
Solve for a:
5 - 3a = 1
4/3