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Simplifying 2x2 + -26a + 169 = 0 Reorder the terms: 169 + -26a + 2x2 = 0 Solving 169 + -26a + 2x2 = 0 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-169' to each side of the equation. 169 + -26a + -169 + 2x2 = 0 + -169 Reorder the terms: 169 + -169 + -26a + 2x2 = 0 + -169 Combine like terms: 169 + -169 = 0 0 + -26a + 2x2 = 0 + -169 -26a + 2x2 = 0 + -169 Combine like terms: 0 + -169 = -169 -26a + 2x2 = -169 Add '-2x2' to each side of the equation. -26a + 2x2 + -2x2 = -169 + -2x2 Combine like terms: 2x2 + -2x2 = 0 -26a + 0 = -169 + -2x2 -26a = -169 + -2x2 Divide each side by '-26'. a = 6.5 + 0.07692307692x2 Simplifying a = 6.5 + 0.07692307692x2
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