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2 votes
How to find x ??
-x+7=-4x–20

User Vasken
by
7.7k points

1 Answer

3 votes

Answer:

x= -9

Explanation:

-x+7= -4x-20

Move the variable to the left side and change its sign.

-x+4x+7=-20

Move constant to the right side and change its sign.

-x=4x= -20-7

Collect the like terms.

3x= -27

Divide both sides of the equation by 3.

x= -9

User Pradheep
by
7.9k points