Answer:
x=-7
Step-by-step explanation:
-30=5(x+1)
6-1(x+1)
x=-1-6
=-7
Collinear points are two or more points that lie on the same line.
this question came out in a juniour olympiad nigeria
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4x+3x=42
7x=42
x=6
4(6)+3(6)=42
24+18= 42
42=42
I know it's too much but hope this helped :)
