Which equation has one solution for x? A.16 + x = 14 + x
B.7 = 4 + 3
C.−76 = 3x − 10
D.10x + 4 = 2(2 + 5x)

i will pick c put check it over to be sure

step-by-step explanation:

answer:

125 yards

explanation:

75+50=125. that is my answer

the 8 in 8,420 is in the thousands place so it's value is 8 thousand.

the 8 in 6,870 is in the hundreds place so it's value is 8 hundred.

divide 8000 by 800 to find the answer:

8000 / 800 = 10

the 8 in 8,420 is 10 times greater than the 8 in 6,870