Solve and check:
x - 4 = 7
x - 4 = 7
+4 +4
x = 11
CHECK! (11) - 4 = 7
Solve and check:
5y = 30
y = 6
CHECK:
5(6) = 30
Solve and check:
5z + 3 = 13
5z + 3 = 13
- 3 -3
5z = 10
/5 /5
z = 2
CHECK: 5(2) + 3 = 13
In the equation: 3a - 5 = 16
What is the first step?
Add 5 on both sides.
Bravo 7
Solve and check:
x − 21 = 6
x − 21 = 6
+21 +21
x = 27
CHECK: (27) - 21 = 6
Solve and check:
y/3 = 9
y = 27
CHECK: 27/3 = 9
Solve and check:
4z - 13 = 7
4z - 13 = 7
+13 +13
4z = 20
/4 /4
z = 5
CHECK: 4(5) - 13 = 7
In the equation: a/5 + (-16) = -14
What is the 1st step to solve?
Add 16 on both sides.
(...or subtract -16 on both sides!)
Where did Mr. Scroggins take his family this past Christmas?
Washington DC
Solve and check:
x + 17 = 6
x + 17 = 6
- 17 -17
x = -11
CHECK: (-11) + 17 = 6
Solve and check:
-4y = 28
y = -7
CHECK: -4(-7) = 28
Solve and check:
-z - 10 = -6
-z - 10 = -6
+10 +10
-1z = 4
/-1 /-1
z = -4
CHECK: -(-4) - 10 = -6
In the equation: a/5 + (-14) = -16
What is the 2nd step to solve?
Multiply by 5 on both sides.
What are the 3 main objective words for PBIS at Willie J.?
Respectful, Responsible, Safe
Solve and check:
x + (-10) = 17
+10 +10
x = 27
CHECK: 27 + (-10) = 17
Solve and check:
2.5y = 10
y = 4
CHECK: 2.5(4) = 10
Solve and check:
-(1/2) z + 3 = -37
-(1/2) z + 3 = -37
- 3 -3
-(1/2) z = -40
/-(1/2) /-(1/2)
z = 80
CHECK: -(1/2)(80) + 3 = -37
In the equation: -a - 2/3 = -13/3
what would be the 2nd step to solve?
Divide (or multiply) by -1.
Why is there no school the Monday after next?
Martin Luther King Day
Solve and check:
x + 3.5 = 9.4
x + 3.5 = 9.4
- 3.5 -3.5
x = 5.9
CHECK: (5.9) + 3.5 = 9.4
**DAILY DOUBLE**
2/3 (y) = -18
2/3 (y) = -18
/ 2/3 / 2/3
y = -27
CHECK: 2/3 (-27) = -18
Fill in the blanks for the steps to solve a 2-step equation.
What is the __________ doing?
Do the __________ on _______ sides.
______ or __________ 1st!
Variable
Opposite
Both
Add
Subtract
Solve and check:
a/-2 + 3/4 = -13/4
a/-2 + 3/4 = -13/4
- 3/4 -3/4
a/-2 = -16/4 = -4
*-2 *-2
a = 8
(8)/-2 + 3/4 = -13/4
What is the name of Mrs. Saunders' grand daughter who attends Willie J.?
Kaylynn