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3+4(z+5)=31 please show the correct step by step and correct answer

3+4(z+5)=31 please show the correct step by step and correct answer
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3 votes
3+4(z+5)=31 please show the correct step by step and correct answer

User Epik
by
7.9k points

2 Answers

3 votes
Hello!
z = 2
3+4(z+5)=31
3+4(z+5)-3=31 - 3
4(z+5)=28
z+5=7
z+5-5=7-5
z=2
Sorry if this is confusing! <3
Hope this helps!
User Alan Dong
by
8.4k points
2 votes
3 + 4(z + 5) = 31

Distribute 4:
3 + 4z + 20 = 31

Combine like terms:
4z + 23 = 31

Take away 23 from both sides:
4z = 8

Divide by 4:
z = 2

Answer: z = 2
User Wim Hermans
by
8.6k points
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