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How do I solve this equation: 7x-4=3+8x

2 Answers

3 votes
The answer to this is no solution

Step by step:
7x - 4 = 3 + 8x
-7x -7x
-4 = 3 + 1x
+4 +4
7 + 1x = no solution
User Pixel Rubble
by
5.2k points
1 vote

Answer:

x=-7

Explanation:

Step 1: Simplify both sides of the equation.

7x−4=3+8x

7x+−4=3+8x

7x−4=8x+3

Step 2: Subtract 8x from both sides.

7x−4−8x=8x+3−8x

−x−4=3

Step 3: Add 4 to both sides.

−x−4+4=3+4

−x=7

Step 4: Divide both sides by -1.

−x/−1=7/−1

x=−7

User Mtalexan
by
5.0k points
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