3x-12+57=90
3x+45 =90
-45 -45
3x= 45
x=15
<MNQ= 33 because 90-57=33
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I think the answer is d. -11
Explanation:
Replace the variable x with 3 in the expression.
f(3)=-2•3-5
Multiply -2 by 3
f(3)=-6 -5
Subtract 5 from -6
f(3)= -11
Then the answer should be -11.
Jejsjsjsjdididididirieie 63 is correct answer
It will take him 30-45 minutes to catch up with her. Hope I could help! :)
Answer:
15x + 9
Step-by-step explanation:
9(3x + 8) – 3(4x + 21)
Multiply
27x + 72 - 12x - 63
Combined like terms
27x - 12x = 15x 72 - 63 = 9
15x + 9