-7-2x=7(x+8)
What is the answer for this expression
1 answer:
Answer:
x=-7
Step-by-step explanation:
1. Distribute the 7 into the parenthesis: -7-2x=7x+56
2. Combine like terms by doing the opposite operation to the numbers: -7=9x+56 (added 2x to 7x)
3. Subtract 56 to each side of the equation: -63=9x
4. To isolate the variable "x," divide each side by 9: x=-7
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Step-by-step explanation:
Yes, it is very important otherwise some teachers may count the problem wrong.
<u>
S= {-7/3}</u>
