Question

a -b +2  and  4a +2b -2​

Answer 1

Answer:

$a = \frac{ - 1}{3} \\ \\ b = - 2 \frac{1}{3}$

Step-by-step explanation:

$a - b + 2 = 0 \: \: \: - - (i) \\ \\ 4a + 2b - 2 = 0 \: \: \: - - (ii)$

$2(i) + (ii) = \\ \\ 6a + 2 = 0 \\ \\ 6a = - 2 \\ \\ a = \frac{ - 2}{6} \\ \\ a = \frac{ - 1}{3}$

$putting \: the \: value \: of \: a \: in \: {eq.}^{n} \: (i) \\ \\ a - b + 2 = 0 \\ \\ \frac{ - 1}{3} + 2 = b \\ \\ b = \frac{ - 7}{3} = - 2 \frac{1}{3}$

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