jose0765678755
26.01.2022 •
Mathematics
25. Justify Reasoning Determine whether 3x + 12 + x is equivalent to 4(3 + x). Use properties of operations to justify your answer.
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Ответ:
always true
Step-by-step explanation:
3x + 12 + x= 4x +12
4(3 + x)= 12 + 4x
4x + 12= 4x + 12
Ответ:
Hey there!
SOLVING for 3x + 12 + x
3x + 12 + x
= 3x + 12 + 1x
COMBINE the LIKE TERMS
= (3x + 1x) + (12)
= 3x + 1x + 12
= 4x + 12
SOLVING for 4(3 + x)
4(3 + x)
DISTRIBUTE 4 WITHIN PARENTHESES
= 4(3) + 4(x)
= 12 + 4x
= 4x + 12
Thus, this statement is: TRUE
THEY ARE BOTH EQUIVALENT TO EACH OTHER
Good luck on your assignment & enjoy your day!
~Amphitrite1040:)
Ответ:
multiply 0.9 by all in parentheses
7.2> (0.9*n) + (0.9*8.6)
7.2> 0.9n + 7.74
subtract 7.74 from both sides
-0.54> 0.9n
divide both sides by 0.9
-0.6> n
ANSWER: -0.6> n
Hope this helps! :)