Answer:
are those the only options given? cause I think x=9.
Step-by-step explanation:
Step 1: Subtract 7x from both sides.
5x+15−7x=7x−3−7x
−2x+15=−3
Step 2: Subtract 15 from both sides.
−2x+15−15=−3−15
−2x=−18
Step 3: Divide both sides by -2.
−2x−2=−18−2
x=9
Answer:
x=9
