5x-2y=-10
Making y the subject of the formula;
5x+10=2y
2y=5x+10
y=
The slope is 2.5 or five halves
Making y the subject of the formula;
5x+10=2y
2y=5x+10
y=
The slope is 2.5 or five halves
Hay 12 canicas en una bolsa y 6
1 answer:
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If ( x - 1 ) * ( x + 3 ) = 0 => x = 1 or x = -3;
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) / 2 ; x2 = - 2 - ) / 2;
But, (x-1)(x+3)=1 => x^2 + 3x -x - 3 = 1 => x^2 + 2x - 4 = 0;the discriminant is 2^2 - 4 * 1 * ( -4 ) = 20 => the solutions are x1 =
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