What is the answer to the problem 21+40(2x-3)
2 answers:
Answer: -99+80x
Step-by-step explanation:
remember to always use PEMDAS
First, Multiplacation
21+40(2x-3)
21+80x-120
then add 21 to 120
-99+80x
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Answer:
x = 1.2375 or 99/90
Step-by-step explanation:
<u>Step 1: Distribute</u>
21 + 40(2x - 3)
21 + 80x - 120
<u>Step 2: Combine like terms</u>
21 + 80x - 120
80x - 99
<u>Step 3: Solve for x</u>
80x - 99 + 99 = 0 + 99
80x / 80 = 99 / 80
x = 1.2375
Answer: x = 1.2375 or 99/80
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