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Simplifying ax2 + 12x2 = 13x2 Solving ax2 + 12x2 = 13x2 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-12x2' to each side of the equation. ax2 + 12x2 + -12x2 = 13x2 + -12x2 Combine like terms: 12x2 + -12x2 = 0 ax2 + 0 = 13x2 + -12x2 ax2 = 13x2 + -12x2 Combine like terms: 13x2 + -12x2 = 1x2 ax2 = 1x2 Divide each side by 'x2'. a = 1 Simplifying a = 1
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