Question

Solve the following equations.
4r + 8x +3= 2x + 4
-------------------------
6x +18x +5= 3x +9​

Answer 1

Answer:

4r+6x=1

21x=9

Step-by-step explanation:

For the first one:

4r+8x+3-2x=4 (as, when one value from the right of the equal sign is brought to the left, it becomes the oopsite sign)

4r+6x+3=4

4r+6x=4-3

4r+6x=1

For the second one:

6x+18x+5=3x+9

24x+5=3x+9

24x-3x+5=9

21x+5=9

21x=9-5

21x=4

x=4/21

Now, this is extra... But you can combine the results...that will give..

4r+6*4/21=1

4r+24/21=1

(84r+24)/21=1 (LCM)

84r+24=21

84r=21-24

84r=-3

r=-3/84

r=-1/28

Hope that this was helpful!

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