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Adriana Reilly
Mathematics
12 January, 13:47
How to solve 10-3 (3x-40) = - 9x
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Chaya Martin
12 January, 13:56
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Simplifying 10 + - 3 (3x + - 40) = - 9x
Reorder the terms: 10 + - 3 (-40 + 3x) = - 9x
10 + (-40 * - 3 + 3x * - 3) = - 9x
10 + (120 + - 9x) = - 9x
Combine like terms: 10 + 120 = 130 130 + - 9x = - 9x
Add '9x' to each side of the equation. 130 + - 9x + 9x = - 9x + 9x
Combine like terms: - 9x + 9x = 0 130 + 0 = - 9x + 9x 130 = - 9x + 9x
Combine like terms: - 9x + 9x = 0 130 = 0
Solving 130 = 0
Couldn't find a variable to solve for. This equation is invalid, the left and right sides are not equal, therefore there is no solution.
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