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Solve for x: 9(3x+3)=10(3x+9)
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3 votes
Solve for x: 9(3x+3)=10(3x+9)

User Ssmir
by
3.7k points

2 Answers

5 votes

Answer:

x = -21

Explanation:

9(3x+3) = 10(3x+9)

27x + 27 = 30x + 90

-30x + 27x = 90 - 27

-3x = 63

x = -21

User GEdringer
by
4.4k points
1 vote

Answer:

-21 =x

Explanation:

9(3x+3)=10(3x+9)

Distribute

27x +27 = 30x +90

Subtract 27x from each side

27x+27 -27x = 30x-27x +90

27 = 3x+90

Subtract 90 from each side

27-90 = 3x +90-27

-63 = 3x

Divide by 3

-63/3 = 3x/3

-21 =x

User PaulL
by
4.6k points
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