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Simplifying 7x + -1(1) = 4x + (3) Multiply -1 * 1 7x + -1 = 4x + (3) Reorder the terms: -1 + 7x = 4x + (3) -1 + 7x = 4x + 3 Reorder the terms: -1 + 7x = 3 + 4x Solving -1 + 7x = 3 + 4x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4x' to each side of the equation. -1 + 7x + -4x = 3 + 4x + -4x Combine like terms: 7x + -4x = 3x -1 + 3x = 3 + 4x + -4x Combine like terms: 4x + -4x = 0 -1 + 3x = 3 + 0 -1 + 3x = 3 Add '1' to each side of the equation. -1 + 1 + 3x = 3 + 1 Combine like terms: -1 + 1 = 0 0 + 3x = 3 + 1 3x = 3 + 1 Combine like terms: 3 + 1 = 4 3x = 4 Divide each side by '3'. x = 1.333333333 Simplifying x = 1.333333333
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