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Simplifying 2x + -7a + -7 = 0 Reorder the terms: -7 + -7a + 2x = 0 Solving -7 + -7a + 2x = 0 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '7' to each side of the equation. -7 + -7a + 7 + 2x = 0 + 7 Reorder the terms: -7 + 7 + -7a + 2x = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -7a + 2x = 0 + 7 -7a + 2x = 0 + 7 Combine like terms: 0 + 7 = 7 -7a + 2x = 7 Add '-2x' to each side of the equation. -7a + 2x + -2x = 7 + -2x Combine like terms: 2x + -2x = 0 -7a + 0 = 7 + -2x -7a = 7 + -2x Divide each side by '-7'. a = -1 + 0.2857142857x Simplifying a = -1 + 0.2857142857x
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