Question

What is the solution to this equation?

x + 13 = 34
A. X = 47
B. x= 19
o
C. x = 27
D. x= 21
SUBM

Answer 1

21

Step-by-step explanation:

since we are looking for the value of x, we make it the subject of the formula(stand alone) and to do that + 13 would have to cross over the equality sign.when a positive number crosses over the equality sign it changes to a negative number .

Therefore,x +13=34

x=34 -13

x=21(d)

Answer 2

Answer:
d. 21

Step-by-step explanation:
Step 1 - Subtract 13 from both sides
x + 13 = 34
x + 13 - 13 = 34 - 13
x = 21