Simplifying Algebra
Question 1:
x
+
x
+
x
+
x
4
x
Question 2:
x
+
x
+
x
3
x
Question 3:
4
x
+
2
x
+
2
x
+
x
9
x
Question 4:
5
x
+
x
+
2
x
−
5
x
3
x
Question 5:
2
x
−
y
+
3
x
−
y
5
x
-2
y
Question 6:
xz
+
5
y
+
4
xz
+
2
y
5
xz
+
7
y
