8th Grade
Mathematics
Unit: 05 Lesson: 02
Solve Equations Algebraically
Solve each equation algebraically. Check each solution to determine if it is reasonable.
1. 29 = 5 + 6x
2.
3x – 12 = 18
3.
x
+1=7
3
4.
13 = 7 +
5.
3x + 4 = x – 5
6.
3 = 5x + 3
7.
x = 3x – 8
8.
3.4 = 2x – 0.9
9.
−3 =
© 2010, TESCCC
x
– 3.6
5
10.
08/01/10
x
2
x
+4=3
5

8th Grade
Mathematics
Unit: 05 Lesson: 02
Solve Equations Algebraically KEY
Solve each equation algebraically. Check each solution to determine if it is reasonable.
1.
3.
29 = 5 + 6x
x=4
x
+1=7
3
x = 18
2.
3x – 12 = 18
x = 10
4.
13 = 7 +
x
2
x = 12
5.
3x + 4 = x – 5
–
x = ( 4.5)
6.
3 = 5x + 3
x=0
7.
x = 3x – 8
x=4
8.
3.4 = 2x – 0.9
x = 2.15
9.
−3 =
x
– 3.6
5
10.
x=3
© 2010, TESCCC
08/01/10
x
+4=3
5
x=5
