Start with the equation: We start with the equation:3y+9=11To isolate 3y, we need to get rid of the 9 on the left side. We do this by subtracting 9 from both sides of the equation.3y+9−9=11−93y=2
Isolate y/3: Now that we have y/3=2, we want to find the value of y. To do this, we multiply both sides of the equation by 3 to cancel out the division by 3 on the left side.3y×3=2×3y=6
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