Respuesta :
Answer:
-63
Step-by-step explanation:
Add 7 to both sides
X/-3 -7 =14
+7 +7
‐-------------------
X/-3= 21. ( multiply both sides by -3 to isolate x)
X/-3 × 3= 21 ×-3
X= -63
Answer:
-140
Step-by-step explanation:
x/-3-7 = 14
Cross multiply
x = 14(-3 -7)
= -42 -98
= -140