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5 votes
What number is the substitution of 4(3x+9) and 5x+8

User Silverdust
by
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1 Answer

5 votes

Answer:

-4

Explanation:

If the question is for which x the equations 4(3x+9) and 5x+8 produce the same answer, the answer is x=-4

4(3x+9) = 5x+8

12x + 36 - 5x - 8 =0

7x = -28

x = -4

User Alexander Terekhov
by
6.0k points