Solve Equations

Question 1

5b + 4= 39

Answer 1

-4 to 4 and 39=
5b= 35
B= 7

Question 2

12= 26 - 2d=

Answer 2

+2d each side=
12+2d= 26
-12 each side=
14 divided by 2=7

Question 3

2A - 9=5

Answer 3

+9 each side=
2A= 14
A= 7

Question 4

5d/4 = 10

Answer 4

10 X 4=40/5
= 8

Question 5

2A - 9= 4A + 5

Answer 5

4A- 2A= 2A
-9=2A +5
-5 to each side=
2A=-4
A= 2

Question 6

7b - 53= 2 - 4b

Answer 6

7b + 4b= 11b
11b - 53= 2
+53 to each side=
11b=55
B=5