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Simplifying 16 + -7x = 21x Solving 16 + -7x = 21x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-21x' to each side of the equation. 16 + -7x + -21x = 21x + -21x Combine like terms: -7x + -21x = -28x 16 + -28x = 21x + -21x Combine like terms: 21x + -21x = 0 16 + -28x = 0 Add '-16' to each side of the equation. 16 + -16 + -28x = 0 + -16 Combine like terms: 16 + -16 = 0 0 + -28x = 0 + -16 -28x = 0 + -16 Combine like terms: 0 + -16 = -16 -28x = -16 Divide each side by '-28'. x = 0.5714285714 Simplifying x = 0.5714285714
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