5.) - 7(-2x - 9) = 133 how do you solve this
1 answer:
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9514 1404 393
Answer:
254.8
Step-by-step explanation:
Substitute the numbers where the variables are and do the arithmetic.
4c +2b³ = 4(1.2) +2(5³) = 4.8 +250 = 254.8
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It can also work to let a calculator or spreadsheet do the math for you, once you specify the function.
