Answer:
C x +3= 4 becomes 1 + 3 = 4 TRUE
Explanation:
In each case, substitute 1 for x and then determine whether or not the resulting equation is true.
A 4 - x = 1 becomes 4 - 1 = 1 FALSE
B 4x = 1 becomes 4(1) = 1 FALSE
C x +3= 4 becomes 1 + 3 = 4 TRUE
D x/4 = 1 becomees 1/4 = 1 FALSE