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Simplifying -7a + b = 12 Solving -7a + b = 12 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-1b' to each side of the equation. -7a + b + -1b = 12 + -1b Combine like terms: b + -1b = 0 -7a + 0 = 12 + -1b -7a = 12 + -1b Divide each side by '-7'. a = -1.714285714 + 0.1428571429b Simplifying a = -1.714285714 + 0.1428571429b
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