10) \( 11 y-81=7 y+102+65 y \)
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To solve \( 11y - 81 = 7y + 102 + 65y \), start by combining the terms on the right. You have \( 7y + 65y = 72y \), so rewrite the equation as: \[ 11y - 81 = 72y + 102 \] Next, move all \( y \) terms to one side by subtracting \( 72y \) from both sides: \[ 11y - 72y - 81 = 102 \] This simplifies to: \[ -61y - 81 = 102 \] Now, add \( 81 \) to both sides: \[ -61y = 102 + 81 \] So, \[ -61y = 183 \] Next, divide both sides by \( -61 \): \[ y = -3 \] The solution to the equation is \( y = -3 \).