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Salut!
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✏ [tex]5 • (7x - 1 {)}^{0} + 2(x + 1) = - 7(x + 3) + 3(3x - 5) + 43[/tex]
5 • 1 + 2x + 2 = -7x - 21 + 9x - 15 + 43
5 + 2x + 2 = 2x - 36 + 43
7 + 2x = 2x + 7
2x - 2x = 7 - 7
x = 0 ✅
✏ [tex]5 • (7x - 1 {)}^{0} + 2(x + 1) = - 7(x + 3) + 3(3x - 5) + 43[/tex]
5 • 1 + 2x + 2 = -7x - 21 + 9x - 15 + 43
5 + 2x + 2 = 2x - 36 + 43
7 + 2x = 2x + 7
2x - 2x = 7 - 7
x = 0 ✅