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Solve the equation and check your solution. (If an answer does not exist, enter DNE. If all real numbers are solutions, enter REALS.) 5x − 4 = 4x + 8
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Solve the equation and check your solution. (If an answer does not exist, enter DNE. If all real numbers are solutions, enter REALS.)

5x − 4 = 4x + 8

User Marian
by
2.9k points

1 Answer

10 votes
5x-4=4x+8
-4x. -4x
X-4=8
+4. +4
X=12
5(12)-4=4(12)+8
60-4=48+8
56=56
User Sadlyblue
by
3.6k points
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