Answer:X=9 i believe.
Step-by-step explanation:
add 2 and 7
1 one is the answer
2 is the answer either
all the equations are in it's simeplest form
Answer:
(4, 1)
x < (8x - 21)/15
⇔ 15x/15 < (8x - 21)/15
⇔ 15x < 8x - 21
⇔ 15x - 8x < -21
⇔ 7x < -21
⇔ x < -21/7
⇔ X < -3
