Q: 12-10x equals 7x plus 16 what is x?

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x=6

7x + 16 = 3x + 4 4x = -12 x = -3

7x+2-2=16-27x = 147x/7 = 14/7x = 2

(0,2)

40 -7x = -16 -7x = -16 -40 -7x = -56 x = 8

-46 = 3x + 7x

7x + y = 8 Subtract 7x from each side of the equation: y = -7x + 8

7X + 2Y = 10 - 7X + Y = - 16 -----------------------just add 3Y = - 6 Y = - 2 --------------find X, top equation 7X + 2(- 2) = 10 7X - 4 = 10 7X = 14 X = 2 ------------check both original equations for consistency; top first 7(2) + 2(- 2) = 10 14 - 4 = 10 10 = 10 ------------top checks; now check bottom equation - 7(2) - 2 = - 16 -14 - 2 = - 16 - 16 = - 16 ------------------both check and are then consistent

13x

It is 9x

-7x + 5 = -9 -7x = -14 7x = 14 x = 2

7x + y = 4y = 4 - 7x