Question

Solve for x 7x - 6 = 9x + 6​

Answer 1

x = -6

Explanation:

7x - 6 = 9x + 6

Add 6, both sides;

7x-6+6 = 9x+6+6

7x=9x+12

Subtract 9x, both sides;

7x-9x = 9x+12-9x

-2x = 12

Divide by same term (-2 in this case);

-2x/-2 = 12/-2

x = -6

Therefore, the value of x is -6