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Simplifying -45 = 7a Solving -45 = 7a Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-7a' to each side of the equation. -45 + -7a = 7a + -7a Combine like terms: 7a + -7a = 0 -45 + -7a = 0 Add '45' to each side of the equation. -45 + 45 + -7a = 0 + 45 Combine like terms: -45 + 45 = 0 0 + -7a = 0 + 45 -7a = 0 + 45 Combine like terms: 0 + 45 = 45 -7a = 45 Divide each side by '-7'. a = -6.428571429 Simplifying a = -6.428571429
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