PR1ME WEEK 2 I DAY 1
Using the balance method to solve algebraic equations Learn a) Solve x + 6 = 10.
1 1 1 1 1 1
1 1 1 1 1 1 1 1 1 1
6
x
x
10
The scale is balanced.
x + 6
=
10
To find the value of x , remove the same number of cubes from both sides until only x is left on one side.
1 1 1 1 1 1
1 1 1 1 1 1
1 1 1 1
x
x + 6 – 6
=
10 – 6
The scale stays balanced as the same number of cubes have been removed from both sides.
1 1 1 1
x
x
=
4
x = 4 is a solution of x + 6 = 10.
Check: When x = 4 , x + 6 = 4 + 6 = 10
✓
9
34 Scholar Zone Summer: Math
ISBN 978-981-09-0495-1
Made with FlippingBook - Online catalogs