Question

2x + 4 =y -7 + y = -4x me ajudem nisso pfvr

Answer 1

y=2x+4

-4x=-7+y
x=(-7+y)/-4

x=(-7+2x+4)/-4
-4x=-3+2x
-4x-2x=-3
-6x=-3
x=-3/-6
x=1/2
x=0,5

y=2x+4
y=2.1/2+4
y=1+4
y=5