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diamong [38]
4 years ago
13

Please help me! I got to get this done quickly! WILL GIVE BRAINLIEST

Mathematics
1 answer:
asambeis [7]4 years ago
8 0

Answer:

x=29

Step-by-step explanation:

(x+3)+(x-1)+(x+1)=90

x+3+x-1+x+1=90

3x+3=90

3x=90-3

x=87/3

x=29

x+3=32

x+1=30

x-1=28

Checking

(x+3)+(x-1)+(x+1)=90

(29+3)+(29-1)+(29+1)=90

32+28+30=90

90=90

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