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Simplifying -49 + -7b = -42 Solving -49 + -7b = -42 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '49' to each side of the equation. -49 + 49 + -7b = -42 + 49 Combine like terms: -49 + 49 = 0 0 + -7b = -42 + 49 -7b = -42 + 49 Combine like terms: -42 + 49 = 7 -7b = 7 Divide each side by '-7'. b = -1 Simplifying b = -1
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