Question

1. 4(5n-7)=10n+2
2. 9(x+3)=4x-3

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Answer 1

answer of 1st is 3 and answer of 2nd is -6

Step-by-step explanation:

4(5n-7)=10n+2

20n-28=10n+2

20n-10n=2+28

10n=30

n=30

now 2nd part

9(x+3)=4x-3

9x+27=4x-3

9x-4x=-3+-27

-5x=-30

x=30÷-5

x=-6

Answer 2

Answer:

1. 4(5n-7)=10n+2

20n-28=10n+2

20n-10n=2+2

10n=30

n=30/10

n=3

2. 9(x+3)=4x-3

9x+27=4x-3

9x-4x=-3-27

5x=-30

x=-30/5

x=-6

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