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Mathematics
Wizard
12 October, 18:30
0.4 (2-x) - (x+3) how to do this sum
+5
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1
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Judith Oconnell
12 October, 20:13
0
Answer: - 3
Step-by-step explanation
1. Multiply 0.4 by 2
2. In the first bracket, place the sum of 0.4 times 2 (0.8) where the x currently is
3. Subtract 2 from 0.8 to get 1.2
4. Multiply 0.4 by 3 to get the sum of x in the second bracket
5. The sum of 0.4 times 3 is 1.2, add this with 3 to get 4.2
6. Rewrite the equation with what you just solved, it should look like this: 1.2-4.2
7. After subtracting those sums, you should have a total of - 3
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