Answer: 12.9
Step-by-step explanation: When any number is in parenthesis, you multiply it by the other numbers/variables.
Answer:
im not sure sure but by the looks of it i think thats 3,6
Step-by-step explanation:
Answer:
work is attached and shown
Answer:
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Step-by-step explanation:
-4.2 + 1.5 = -2.7 and -5.4 + 2.1 = -3.3
-2.7 is less than -3.3
9x+72 = 4x+112
5x = 40
x = 8