Seudónimo
Seudónimo
04-09-2017
Mathematics
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-x - 1 = 221 + 2x
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Аноним
Аноним
04-09-2017
[tex]Simplifying -1x + -1 = 221 + 2x Reorder the terms: -1 + -1x = 221 + 2x Solving -1 + -1x = 221 + 2x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2x' to each side of the equation. -1 + -1x + -2x = 221 + 2x + -2x Combine like terms: -1x + -2x = -3x -1 + -3x = 221 + 2x + -2x[/tex]
[tex]Combine like terms: 2x + -2x = 0 -1 + -3x = 221 + 0 -1 + -3x = 221 Add '1' to each side of the equation. -1 + 1 + -3x = 221 + 1 Combine like terms: -1 + 1 = 0 0 + -3x = 221 + 1 -3x = 221 + 1 Combine like terms: 221 + 1 = 222 -3x = 222 Divide each side by '-3'. x = -74 Simplifying x = -74[/tex]
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