[tex]__________________________[/tex]
[tex]\sf 9y - 18 = 91[/tex]
To solve this equation, we have to isolate the variable y, to do that we can use the inverse operations to isolate y.
Step 1: Add 18 on both sides of the equation.
[tex]\sf 9y - 18 + 18 = 91+18[/tex]
[tex]\sf 9y = 109[/tex]
Step 2: Divide both sides of the equation by 9.
[tex]\sf \frac{9y}{9} = \frac{109}{9}[/tex]
[tex]\sf y = \boxed{\sf \frac{109}{9}}[/tex]
109/9 can no longer be simplified so the value of y is 109/9.
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LINEAR EQUATIONS
[tex]__________________________[/tex]
[tex]\sf 9y - 18 = 91[/tex]
To solve this equation, we have to isolate the variable y, to do that we can use the inverse operations to isolate y.
Step 1: Add 18 on both sides of the equation.
[tex]\sf 9y - 18 + 18 = 91+18[/tex]
[tex]\sf 9y = 109[/tex]
Step 2: Divide both sides of the equation by 9.
[tex]\sf \frac{9y}{9} = \frac{109}{9}[/tex]
[tex]\sf y = \boxed{\sf \frac{109}{9}}[/tex]
109/9 can no longer be simplified so the value of y is 109/9.