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Nata [24]
3 years ago
13

(20x + 18) = 4x - 9. Helppp

Mathematics
2 answers:
Artyom0805 [142]3 years ago
7 0

Answer:

x=− 1.6875

:)))))))))))))))))))))))))

madreJ [45]3 years ago
5 0

Answer:

x=-\frac{27}{16}\\\\x =- 1\frac{11}{16}

Step-by-step explanation:

(20x + 18) = 4x - 9\\\\20x+18=4x-9\\\\\mathrm{Subtract\:}18\mathrm{\:from\:both\:sides}\\\\20x+18-18=4x-9-18\\\\Simplify\\\\20x=4x-27\\\\\mathrm{Subtract\:}4x\mathrm{\:from\:both\:sides}\\20x-4x=4x-27-4x\\\\Simplify\\16x=-27\\\\\mathrm{Divide\:both\:sides\:by\:}16\\\frac{16x}{16}=\frac{-27}{16}\\\\Simplify\\x=-\frac{27}{16}\\\\x =- 1\frac{11}{16}

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