This is how I would solve it:

1st # = x 4(x+1)=3x+18
2nd # = x+1 4x+4=3x+18
4x=3x+14
x=14

To check: 15x4=60; 60-42=18. <u>1st # = 14; 2nd # = 15.</u>

5 0

3 years ago

N+4+10=25 pleas solve for me that will make me happy

masha68 [24]

N=11 because 4+10= 14 and 25-14 = 11

8 0

3 years ago

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6.7-3^2.9+4^3 evaluate the expression. show your work on a piece of paper.<br><br> 50+ points~!

vovangra [49]

Answer:

Step-by-step explanation:

$6.7 - {3}^{2} .9 + {4}^{3} \\ \\ = 42 - 9.9 + 64 \\ \\ = 42 - 81 + 64 \\ \\ = 106 - 81 \\ \\ = 25$

7 0

3 years ago

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