Answer:
x: Colleen
Luis: x+4
x+x+4=52
2x+4=52
2x=48
x=24: Colleen
x+4=28 Luis
Step-by-step explanation:
we need help with the same thing.
1st box:
m<A + m<B + m<C = 180
2nd box:
substitution property
3rd box:
division property of equality
Hope it helps.