3x +9-7X=X+10+X
Mathematics, 27.11.2020 22:40 quincytonia
What is the justification for the step taken from line 2 to line 3?
3x +9-7X=X+10+X
-4x+9 = 2x+10
-6x+9= 10
-6x=1
x = 6 음
(A) the subtraction property of equality
(B) the multiplication property of equality
(C) combining like terms on one side of the equation
(D) the distributive property
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What is the justification for the step taken from line 2 to line 3?
3x +9-7X=X+10+X
3x +9-7X=X+10+X
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