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Simplifying 7 * 7 * 7 * 7 * 7 * 7 * 7 = 7x Multiply 7 * 7 49 * 7 * 7 * 7 * 7 * 7 = 7x Multiply 49 * 7 343 * 7 * 7 * 7 * 7 = 7x Multiply 343 * 7 2401 * 7 * 7 * 7 = 7x Multiply 2401 * 7 16807 * 7 * 7 = 7x Multiply 16807 * 7 117649 * 7 = 7x Multiply 117649 * 7 823543 = 7x Solving 823543 = 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. 823543 + -7x = 7x + -7x Combine like terms: 7x + -7x = 0 823543 + -7x = 0 Add '-823543' to each side of the equation. 823543 + -823543 + -7x = 0 + -823543 Combine like terms: 823543 + -823543 = 0 0 + -7x = 0 + -823543 -7x = 0 + -823543 Combine like terms: 0 + -823543 = -823543 -7x = -823543 Divide each side by '-7'. x = 117649 Simplifying x = 117649
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