17 April, 15:23
Solve for x 12x/5 a. x=-71/2 b. x=71/2 c. x = 43 1/5
17 April, 17:20
x = - 12 6/7
x - 12x/5 = 18
Get a common denominator on the left
5/5 x - 12/5x = 18
-7/5 x = 18
Multiply each side by - 5/7 to isolate x
-5/7 * -7/5 x = - 5/7 * 18
x = - 5*18/7
x = - 90/7
Changing this to a mixed number
7 goes into 90 1 2 times with 6 left over
x = - 12 6/7
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» Solve for x 12x/5 a. x=-71/2 b. x=71/2 c. x = 43 1/5