5x-22 4868

a) 5 + 4x = 5x-22

b) 8y-49 = y-4

Correct answer:

x =  27
y =  6.4286

Step-by-step explanation:


5+4x=5x-22

5+4·x=5·x-22

x = 27


x = 27/1 = 27

x = 27

Our simple equation calculator calculates it.

8y-49=y-4

8·y-49=y-4

7y = 45


y = 45/7 = 6.42857143

y = 45/7 ≈ 6.428571

Our simple equation calculator calculates it.



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