Question

Can someone help me?? The question is in the pic

Answer 1

first one has 1 solution, second one have infinity solutions, third one has no solutions and the last one has 1 solution

Explanation:

Answer 2

Explanation:

One solution:

`(1)/(5)f-(2)/(3 )= (-1)/(5)f+(2)/(3)\\\\`

4a -3 +2a = 7a - 2

Infinitely many solution:

-1.7v + 2.8 = 1.4v-3.1v + 28

No solution: