To solve -2+x=7, you need to isolate the variable x by adding two to both sides of the equation.
-2+x=7 -2+x+2=x 7+2=9 x=9
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The answer is x = 2.
n= -2
To solve for x you would first subtract 24 from each side. You would then divide both sides by 2. The answer is x=(y-24)/2
c= -2 2/7 OR -2.285714
7x + 2 = 5,6