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Simplifying 7 = 4x + 4x + 7 Reorder the terms: 7 = 7 + 4x + 4x Combine like terms: 4x + 4x = 8x 7 = 7 + 8x Add '-7' to each side of the equation. 7 + -7 = 7 + -7 + 8x Combine like terms: 7 + -7 = 0 0 = 7 + -7 + 8x Combine like terms: 7 + -7 = 0 0 = 0 + 8x 0 = 8x Solving 0 = 8x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-8x' to each side of the equation. 0 + -8x = 8x + -8x Remove the zero: -8x = 8x + -8x Combine like terms: 8x + -8x = 0 -8x = 0 Divide each side by '-8'. x = 0 Simplifying x = 0
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