blackpinknumber1fan blackpinknumber1fan

13-12-2019
Mathematics

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PLS HELP I'LL MATK BRAINLIEST

1. Four times the sum of a number and 3 is 7 times the number decreased by 3. Find the number

2. thirty decreased by 3 times a number is 6 less than 3 times the number. Find the number

Pls help

Respuesta :

heyitzdiamond12 heyitzdiamond12

13-12-2019

Answer:

Step-by-step explanation:

Question 1:

First, write the equation out:

4(x+3)=7x-3

solve for x:

4x+12=7x-3

15=3x

x=5

Question 2:

Do the same on the second question:

30-x=3x-6

36=4x

x=9

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