a)
2/7 = 3/4x
To solve for x, we first need to cross multiply:
2 4 = 7 3
8 = 21
Therefore, the equation is not true and has no solution.
b)
21/25 = 49/50x
Cross multiplying:
21 50 = 25 49
1050 = 1225
c)
16/19 = 32/38x
16 38 = 19 32
608 = 608
Therefore, the equation is true and x = 1.
a)
2/7 = 3/4x
To solve for x, we first need to cross multiply:
2 4 = 7 3
8 = 21
Therefore, the equation is not true and has no solution.
b)
21/25 = 49/50x
Cross multiplying:
21 50 = 25 49
1050 = 1225
Therefore, the equation is not true and has no solution.
c)
16/19 = 32/38x
Cross multiplying:
16 38 = 19 32
608 = 608
Therefore, the equation is true and x = 1.