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Simplifying 15a + -7x + 30 = 0 Reorder the terms: 30 + 15a + -7x = 0 Solving 30 + 15a + -7x = 0 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-30' to each side of the equation. 30 + 15a + -30 + -7x = 0 + -30 Reorder the terms: 30 + -30 + 15a + -7x = 0 + -30 Combine like terms: 30 + -30 = 0 0 + 15a + -7x = 0 + -30 15a + -7x = 0 + -30 Combine like terms: 0 + -30 = -30 15a + -7x = -30 Add '7x' to each side of the equation. 15a + -7x + 7x = -30 + 7x Combine like terms: -7x + 7x = 0 15a + 0 = -30 + 7x 15a = -30 + 7x Divide each side by '15'. a = -2 + 0.4666666667x Simplifying a = -2 + 0.4666666667x
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