If 4=3x+16, find the value of x-7 (show work)
2 answers:
Answer:
-11
Step-by-step explanation:
First get x alone.
Subtract 16 from both sides: -12 = 3x
Divide both sides by 3: -4 = x
Plug in x: -4 - 7 = -11
4=3x+16
4-16= -12
-12=3x
We then divide the -12 by 3 and the 3x by 3. -12 divided by 3 is -4.
-4 minus 7 (or -4-7) equals -11.
The final equation is -4-7=-11
The final answer is -11.
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