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Simplifying -4 = 7x + -1(-1) + -8 Multiply -1 * -1 -4 = 7x + 1 + -8 Reorder the terms: -4 = 1 + -8 + 7x Combine like terms: 1 + -8 = -7 -4 = -7 + 7x Solving -4 = -7 + 7x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7x' to each side of the equation. -4 + -7x = -7 + 7x + -7x Combine like terms: 7x + -7x = 0 -4 + -7x = -7 + 0 -4 + -7x = -7 Add '4' to each side of the equation. -4 + 4 + -7x = -7 + 4 Combine like terms: -4 + 4 = 0 0 + -7x = -7 + 4 -7x = -7 + 4 Combine like terms: -7 + 4 = -3 -7x = -3 Divide each side by '-7'. x = 0.4285714286 Simplifying x = 0.4285714286
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