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Simplifying 139 + -6x = 30 + 15x Solving 139 + -6x = 30 + 15x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-15x' to each side of the equation. 139 + -6x + -15x = 30 + 15x + -15x Combine like terms: -6x + -15x = -21x 139 + -21x = 30 + 15x + -15x Combine like terms: 15x + -15x = 0 139 + -21x = 30 + 0 139 + -21x = 30 Add '-139' to each side of the equation. 139 + -139 + -21x = 30 + -139 Combine like terms: 139 + -139 = 0 0 + -21x = 30 + -139 -21x = 30 + -139 Combine like terms: 30 + -139 = -109 -21x = -109 Divide each side by '-21'. x = 5.19047619 Simplifying x = 5.19047619
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