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The equation is #of sides x (#of sides - 3) divided by 2. Equation: N x (N-3) 2
5y + 1 = 4y - 1 Subtract 4y from both sides of the equation. y + 1 = -1. Add 1 to both sides of the equation. y + 2 = 0 Subtract 2 from both sides of the equation. y = -2
4 - x = 24 = 2 + x (add x to both sides of the first equation)2 = x (subtract 2 from both sides of the second equation)
You don't need square roots for this, and there is no use for them in this context. You simply divide both sides of the equation by 2.You don't need square roots for this, and there is no use for them in this context. You simply divide both sides of the equation by 2.You don't need square roots for this, and there is no use for them in this context. You simply divide both sides of the equation by 2.You don't need square roots for this, and there is no use for them in this context. You simply divide both sides of the equation by 2.
x+2x+14=5x+2.......... Given 3x+14=5x+2.............. Combine like terms 3x+12=5x.................. Subtract 2 from both sides of the equation 12=2x........................ Subtract 3x from both sides of the equation 6=x............................ Divide both sides of the equation by 2