(2p + q – r) – (p – 2q + r) p= 3, q = -2, r= 5Tolong dijawab dengan cara ya​

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(2p + q – r) – (p – 2q + r) p= 3, q = -2, r= 5Tolong dijawab dengan cara ya​

(2×3 + (-2) -5) – (3 – 2(-2) + 5)

(6 – 2 – 5) – (3 + 4 + 5)

-1 – 12 = -13