2 years ago

Solve the following equation for x: 2x + 5y = 8.

1 answer:

4 0

The answer would be the bottom one because it would be 5 over negative 2x so it would be a negative fraction and then the 8 is positive and divide that by two and you get 4

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2 years ago

Read 2 more answers

Solve.

Eva8 [605]

$2x^2+x-1=2\ \ \ |-2\\\\2x^2+x-3=0\\\\2x^2+3x-2x-3=0\\\\x(2x+3)-1(2x+3)=0\\\\(2x+3)(x-1)=0\iff 2x+3=0\ \vee\ x-1=0\\\\2x+3=0\ \ |-3\\2x=-3\ \ \ |:2\\x=-\frac{3}{2}\\\\x-1=0\ \ \ |+1\\x=1$