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Simplifying 4x + 7 = 221 Reorder the terms: 7 + 4x = 221 Solving 7 + 4x = 221 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + 4x = 221 + -7 Combine like terms: 7 + -7 = 0 0 + 4x = 221 + -7 4x = 221 + -7 Combine like terms: 221 + -7 = 214 4x = 214 Divide each side by '4'. x = 53.5 Simplifying x = 53.5
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