3 years ago

Please help and work out both questions! ill give brainlest and 20 points

Mathematics

2 answers:

likoan [24]3 years ago

7 0

Answer:

6. -16

7. x = -7

Step-by-step explanation:

-3×(7+(-3)²)÷3

= -3×(7+9)÷3

= -3×16÷3

= -3 × (16/3)

= -16

9 × x = -63

=> 9x = -63

=> x = -63/9

=> x = -7

raketka [301]3 years ago

6 0

Answer:

Step-by-step explanation:

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

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