X + 120 = 5x,
120=5x-x
120=4x
x=30
The solution equation: 7.5x-5.9 (46-x) = 10
7.5x-5.9(46-x)=10 7.5x-271.4+5.9x=10 13.4x-271.4=10 13.4x-271.4+271.4=10+271.4 13.4x...
3×(x+1)+4x+8=4(x+1)+5x-7
3×(x+1)+4x+8=4(x+1)+5x-7
3x+3+4x+8=4x+4+5x-7
7x+11=9x-3
2x=14
x=7
How to solve 5x + X divided by 7 = 120
5X+X/7=120
(5+1/7)x=120
36x/7=120
x=70/3