Question

1. Solve the following equations by trial and error
method
a. x + 20 = 40 b. y - 5 = 45
c. 20 p = 100
d. Sum of 5 and 4q equals 13. Find q.​

Answer 1

Step-by-step explanation:

Done ✅ by Aritra Kar..

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a) substract both side by 20

b) add 5 to the both sides

c) divide 20 by both sides

d) first substract both sides by 5 and then divide both sides by four .

Answer 2

Answer:

A. X = 20

B. Y = 50

C. P = 5

D. Q = 2

Step-by-step explanation:

A. X + 20 = 40

X = 40 - 20

X = 20.

B. Y - 5 = 45

Y = 45 + 5

Y = 50

C. 20P = 100

P = 100/20

P = 5

D. 5 + 4Q = 13

4Q = 13 - 5

4Q = 8

Q = 8/4

Q = 2