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7X - 11 = - 19 + 3X

subtract 3X from both sides

4X - 11 = - 19

add 11 to both sides

4X = - 8

divide both sides integers by 4

X = - 2

=====----------- check in original equation

7(- 2) - 11 = - 19 + 3(- 2)

- 14 - 11 = - 19 - 6

- 25 = - 25

==========checks

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12y ago

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