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Simplifying -1f(x) = (3x + 4) + -1(7x + -2) Multiply f * x -1fx = (3x + 4) + -1(7x + -2) Reorder the terms: -1fx = (4 + 3x) + -1(7x + -2) Remove parenthesis around (4 + 3x) -1fx = 4 + 3x + -1(7x + -2) Reorder the terms: -1fx = 4 + 3x + -1(-2 + 7x) -1fx = 4 + 3x + (-2 * -1 + 7x * -1) -1fx = 4 + 3x + (2 + -7x) Reorder the terms: -1fx = 4 + 2 + 3x + -7x Combine like terms: 4 + 2 = 6 -1fx = 6 + 3x + -7x Combine like terms: 3x + -7x = -4x -1fx = 6 + -4x Solving -1fx = 6 + -4x Solving for variable 'f'. Move all terms containing f to the left, all other terms to the right. Divide each side by '-1x'. f = -6x-1 + 4 Simplifying f = -6x-1 + 4 Reorder the terms: f = 4 + -6x-1
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