Question

4. Find the solution to each equation mentally.

a. 30+a = 40
b. 500 + b200
C.-1+c=-2
d. d+3,567= 0​

Answer 1

a. a=10

b. b=-300

c. c=-1

d. d= -3567

Explanation:

a. subtract 30 from each side

b. subtract 500 from each side

c. add 1 to each side

d. subtract 3,567 from each side