Respuesta :
Answer:
=> -4
Step-by-step explanation:
7 + x = 5
=> x = 5 - 7
=> x = -2
Putting the value of x = -2 in equation 3x + 2
=> 3(-2) + 2
=> -6 + 2
=> -4
Answer:
-4
Step-by-step explanation:
when 7 +x =5 solve for x by subtracting 7
x=5-7 =-2
3x+2 = substitute (-2) for x
3( )+2
3(-2)+2
-6+2=-4
