Answer:
x=-3.5
Step-by-step explanation:
-3x=10.5 divide both sides by -3
The slope intercept form is y=mx+b notice y's coefficient is 1
7y+5x=-15
subtracting 5x
7y=-5x-15
dividing by 7
y=(-5/7)x-(15/7)
Answer:
answer in the picture
Step-by-step explanation: