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Simplifying 40 = 10 + 7x Solving 40 = 10 + 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. 40 + -7x = 10 + 7x + -7x Combine like terms: 7x + -7x = 0 40 + -7x = 10 + 0 40 + -7x = 10 Add '-40' to each side of the equation. 40 + -40 + -7x = 10 + -40 Combine like terms: 40 + -40 = 0 0 + -7x = 10 + -40 -7x = 10 + -40 Combine like terms: 10 + -40 = -30 -7x = -30 Divide each side by '-7'. x = 4.285714286 Simplifying x = 4.285714286
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