Candi9697
12.12.2020 •
Mathematics
Why is the first step when solving
2x – 15 - 4x = 3 to combine like terms?
Solved
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Ответ:
-9 is the final answer
Step-by-step explanation:
2x-4x=-2x
so the equation would be -2x-15=3
add 15 to both sides -2x=18
divide both sides by -2
Ответ:
x=2
Step-by-step explanation:
10=12-x
Subtract 12 from each side
10-12 = 12-12-x
-2 =-x
Multiply by -1
2 = x