Raymond B. answered 10/04/21
Tutor
5
(2)
Math, microeconomics or criminal justice
4(x + 1) = 7+x
4x + 4 = 7+x
3x = 3
x = 3/3 = 1
but maybe you really meant. that's how it seems to be written if you apply PEMDAS. P before A, product of 4 and x before adding 1.
4x +1 = 7+x
3x = 6
x =6/3 = 2
the number is 2