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Simplifying 3xsquared + 21x + -7 = 0 Reorder the terms: -7 + 3adeqrsux + 21x = 0 Solving -7 + 3adeqrsux + 21x = 0 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 3adeqrsux + 7 + 21x = 0 + 7 Reorder the terms: -7 + 7 + 3adeqrsux + 21x = 0 + 7 Combine like terms: -7 + 7 = 0 0 + 3adeqrsux + 21x = 0 + 7 3adeqrsux + 21x = 0 + 7 Combine like terms: 0 + 7 = 7 3adeqrsux + 21x = 7 Add '-21x' to each side of the equation. 3adeqrsux + 21x + -21x = 7 + -21x Combine like terms: 21x + -21x = 0 3adeqrsux + 0 = 7 + -21x 3adeqrsux = 7 + -21x Divide each side by '3deqrsux'. a = 2.333333333d-1e-1q-1r-1s-1u-1x-1 + -7d-1e-1q-1r-1s-1u-1 Simplifying a = 2.333333333d-1e-1q-1r-1s-1u-1x-1 + -7d-1e-1q-1r-1s-1u-1 Reorder the terms: a = -7d-1e-1q-1r-1s-1u-1 + 2.333333333d-1e-1q-1r-1s-1u-1x-1
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