Answer:
6. -16
7. x = -7
Step-by-step explanation:
6.
-3×(7+(-3)²)÷3
= -3×(7+9)÷3
= -3×16÷3
= -3 × (16/3)
= -16
7.
9 × x = -63
=> 9x = -63
=> x = -63/9
=> x = -7
6. Use PEMDAS
-3 x (7 + (-3)*2) / 3
-3 x (7 + 9) / 3
-3 x 16 / 3
-48 / 3
-16
7. 9 (x) = -63
X = - 63 /9
X = -7
hope it will help you!!!!!!
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