Raymond B. answered • 03/19/21
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Math, microeconomics or criminal justice
4x + 3(x+4) = -9
4x+3x =-9 -12 = -21
7x = -21
x =-21/7 = -3
x=-3
Morris F.
asked • 03/19/21Four times a number plus three times the sum of a number and four is equal to negative nine.
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