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Simplifying 3xsquared + 21x = x Solving 3adeqrsux + 21x = x Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-21x' to each side of the equation. 3adeqrsux + 21x + -21x = x + -21x Combine like terms: 21x + -21x = 0 3adeqrsux + 0 = x + -21x 3adeqrsux = x + -21x Combine like terms: x + -21x = -20x 3adeqrsux = -20x Divide each side by '3deqrsux'. a = -6.666666667d-1e-1q-1r-1s-1u-1 Simplifying a = -6.666666667d-1e-1q-1r-1s-1u-1
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