5x+3.5×4=38
5x+14=38
5x=38-14
5x=24
x=24/5
16x-2x=7
14x=7
x=1/2
5(x+7)=35
x+7=7
x=0
6x+4x=52
10x=52
x=26/5
20÷(x-6)=4
x-6=5
x=11
7x-15=4x
7x-4x=15
3x=15
x=5
5x+3.5×4=38
5x+14=38
5x=38-14
5x=24
x=24/5
16x-2x=7
14x=7
x=1/2
5(x+7)=35
x+7=7
x=0
6x+4x=52
10x=52
x=26/5
20÷(x-6)=4
x-6=5
x=11
7x-15=4x
7x-4x=15
3x=15
x=5