3 years ago

W(-7) if w(x)= -2x+1

1 answer:

6 0

⓵
Replace the w with it’s value in the equation :

w⒳ = -2x + 1

-7 = -2x + 1

⓶
Then, you just simplify the right side in order to isolate the x (always take in consideration your priorities of operation) :

-7 = -2x + 1
÷-2 ÷-2

3.5 = x + 1
-1 -1

2.5 = x ☻

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