Question

X+x+3=15,4
X+x-4,6=24,6
X+x-950=5076

Answer 1

x+x+3=15 2x=12 x=6
x+x-4,6=24.6 2x=29.2  x=14.6
x+x-950=5076 2x=6026 x=3013

Answer 2

2x+3=15,4/-3
2x=15,4-3
2x=12,4/:2
x=6,2
2x-4,6=24,6/+4,6
2x=24,6+4,6
2x=28,12/:2
x=15,6
2x-950=5076/+950
2x=6026/:2
x=3012