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Simplifying -13 = -2b + -1b + -10 Reorder the terms: -13 = -10 + -2b + -1b Combine like terms: -2b + -1b = -3b -13 = -10 + -3b Solving -13 = -10 + -3b Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '3b' to each side of the equation. -13 + 3b = -10 + -3b + 3b Combine like terms: -3b + 3b = 0 -13 + 3b = -10 + 0 -13 + 3b = -10 Add '13' to each side of the equation. -13 + 13 + 3b = -10 + 13 Combine like terms: -13 + 13 = 0 0 + 3b = -10 + 13 3b = -10 + 13 Combine like terms: -10 + 13 = 3 3b = 3 Divide each side by '3'. b = 1 Simplifying b = 1
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