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(9x-18)/6=(3x+9)/7
We simplify the equation to the form, which is simple to understand
(9x-18)/6=(3x+9)/7
Reorder the terms in parentheses
(+1.5x-3)=(3x+9)/7
Remove unnecessary parentheses
+1.5x-3=(3x+9)/7
Reorder the terms in parentheses
+1.5x-3=( + 0.42857142857143x+1.2857142857143)
Remove unnecessary parentheses
+1.5x-3=0.42857142857143x+1.2857142857143
We move all terms containing x to the left and all other terms to the right.
+1.5x-0.42857142857143x=+1.2857142857143+3
We simplify left and right side of the equation.
+1.0714285714286x=+4.2857142857143
We divide both sides of the equation by 1.0714285714286 to get x.
x=4
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