enca2619
12.11.2020 •
Mathematics
What is the solution to 34x+85=3(13x+7)
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Ответ:
x=12.8
Step-by-step explanation:
34x+85=39x+21
34x-39x=21-85
-5x = -64
x = -64/-5
x = 12.8
Ответ:
and number b makes sense because if you distribute you’d get 2x+2
number c makes sense as well because no matter the value of x there will be addition in the equation
and number d also shows that the question is equivalent because any value of x makes them equivalent for example pretend x=5 2(5+1) —> 2(6) = 12
2(5) + 2—> 10+2= 12
Therefore the expression is equivalent
and the best answer to this question is A