If 7x+2=5x, what is the value of -x?
2 answers:
The value of x is -1.
7x+2=5x
2=-2x
-1=x
Answer:
x = -1
Step-by-step explanation:
We must solve 7x+2=5x for x. To do this, subtract 5x from both sides:
2x + 2 = 0, or
2x = -2, or
x = -1
The solution is x = -1.
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