+ 12x + P + 4 is 8 for x =-
10. What should be the value of b if the value of 7x - 3x + b is-3 when x =-1
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7x-3x+b=-3
7(-1)-3(-1)+b=-3
-7-(-3)+b=-3
-7+3+b=-3
-4+b=-3
b=4-3
b=1
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