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Simplifying (7x2) = 18x + -8 Reorder the terms: (7x2) = -8 + 18x Solving (7x2) = -8 + 18x Solving for variable 'x'. Reorder the terms: 8 + -18x + (7x2) = -8 + 18x + 8 + -18x Reorder the terms: 8 + -18x + (7x2) = -8 + 8 + 18x + -18x Combine like terms: -8 + 8 = 0 8 + -18x + (7x2) = 0 + 18x + -18x 8 + -18x + (7x2) = 18x + -18x Combine like terms: 18x + -18x = 0 8 + -18x + (7x2) = 0 Factor a trinomial. (4 + -7x)(2 + -1x) = 0Subproblem 1
Set the factor '(4 + -7x)' equal to zero and attempt to solve: Simplifying 4 + -7x = 0 Solving 4 + -7x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -7x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -7x = 0 + -4 -7x = 0 + -4 Combine like terms: 0 + -4 = -4 -7x = -4 Divide each side by '-7'. x = 0.5714285714 Simplifying x = 0.5714285714Subproblem 2
Set the factor '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2Solution
x = {0.5714285714, 2}
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