Simplifying Algebraic Expressions
Pan Balances
Solving Equations
Solution Sets
100
4a+7a-3a
8a
100
What is a pan balance problem
Answers may vary, one example: a image to represent an algebraic equation.
100
What is a+7.5=9
a=1.5
100
What is the solution set for 7=8 (Write it out)
{∅} or {}
200
4y-3y+6
y+6
200
Each Square is 10
200
2x+7=15
x=4
200
What is the solution set for 0÷a=0 (write it out)
(∞) or {any number}
300
2x+4+3x-2
5x+2
300
One Circle weighs as much as 4 Faces.
300
3y-17=10
y=9
300
Write out the solution set for b+2=10
{8}
400
6x+2(3-x)-4
8x+2
400
What is x
x=2
400
3x-2(x+1)=7
x=5
400
Write out the solution set for |x|*8=96
{12,-12}
500
2x+8/4-
x-2/2
1
500
Draw a pan balance equation for this and solve: 2 circles on one side and a 7, and on the other side is a square, 3 triangles, and a 6.
1 circle = 11
1 square = 5
1 triangle = 6
SHOW US YOUR WORK:)
500
4(3a-6a)+a-8=23*10
a=-8
500
Write out the solution set for 9(|2x|)=378
{-21, 21}