Respuesta :
Answer:
-5x-10=10
add 10 to both sides (why? to cancel out the -10 on the left side and make it 0 since 10+-10 = 0)
-5x=20
divide both sides by -5. to isolate x.
x=-4
Step-by-step explanation:
Answer:
-5x-10=10
add 10 to both sides (why? to cancel out the -10 on the left side and make it 0 since 10+-10 = 0)
-5x=20
divide both sides by -5. to isolate x.
x=-4
Step-by-step explanation: