4x = x + 78
3x = 78
x = 26
Four times a certain number is the same as the number increased by 78. Find the number
i thought it was 20.plz help
2 answers
4x=x+78
4(20)=20+78
80=98
no
i did guess and check
4(26)=26+78
104=104
4(20)=20+78
80=98
no
i did guess and check
4(26)=26+78
104=104