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What is the equation 8x-7=4x+21
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What is the equation 8x-7=4x+21

User Aalex Gabi
by
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1 Answer

2 votes

Answer:

x=7

Explanation:

8x−7=4x+21

Step 1: Subtract 4x from both sides.

8x−7−4x=4x+21−4x

4x−7=21

Step 2: Add 7 to both sides.

4x−7+7=21+7

4x=28

Step 3: Divide both sides by 4.

4x

4

=

28

4

User Celsomtrindade
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