What’s the answer x: 7x/2=3/5

7x-2=3

1 Add 22 to both sides.

7x=3+2

7x=3+2

2 Simplify  3+23+2  to  55.

7x=5

7x=5

3 Divide both sides by 77.

x=\frac{5}{7}

x=  

7

5

​  

Done

Decimal Form: 0.714286

7x-2=3

7x−2=3

1 Let x=\frac{5}{7}x=  

7

5

​  

.

7\times \frac{5}{7}-2=3

7×  

7

5

​  

−2=3

2 Cancel 77.

5-2=3

5−2=3

3 Simplify  5-25−2  to  33.

3=3

3=3

Step-by-step explanation:

it is contrapositive

i could not see the question too well so check yourself again too . this is because i want you to get it correct.

m∠a is 90°

m∠b is 40°