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Simplifying -4 = 2b + -18 + 5b Reorder the terms: -4 = -18 + 2b + 5b Combine like terms: 2b + 5b = 7b -4 = -18 + 7b Solving -4 = -18 + 7b Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '-7b' to each side of the equation. -4 + -7b = -18 + 7b + -7b Combine like terms: 7b + -7b = 0 -4 + -7b = -18 + 0 -4 + -7b = -18 Add '4' to each side of the equation. -4 + 4 + -7b = -18 + 4 Combine like terms: -4 + 4 = 0 0 + -7b = -18 + 4 -7b = -18 + 4 Combine like terms: -18 + 4 = -14 -7b = -14 Divide each side by '-7'. b = 2 Simplifying b = 2
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