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Find the missing number so that the equation has infinitely many solutions._x+12+x=–4x+12
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Find the missing number so that the equation has infinitely many solutions._x+12+x=–4x+12

User Tobey
by
5.6k points

1 Answer

3 votes

Answer:

-5

Explanation:

-5x + 12 + x = -4x + 12

Combine like terms:

( -5x + x ) + 12 = -4x + 12

-4x + 12 = -4x + 12

Subtract 12 from each side:

-4x = -4x

Ad 4x to each side:

0 = 0

Infinite solutions

User Danika
by
5.3k points
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