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3 years ago

1. 3(x – 5) + 4x = 5(x + 3)

Mathematics

2 answers:

OLga [1]3 years ago

8 0

3(x-5) + 4x = 5(x+3)
3x-15+4x=5x+15
7x-15=5x+15
7x=5x+30
2x=30
X=15

vfiekz [6]3 years ago

3 0

Answer: x=15

Step-by-step explanation:

3(x-5)+4x=5(x+3)

distribute

3x-15+4x=5x+15

combine like terms

7x-15=5x+15

add the 15 over to the right side

7x=5x+30

minus 5x over

2x=30

divide by 2

x=15

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3 years ago

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3 years ago