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4p - q = 18 | x1 | 4p - q = 18 -
7q = -14
q = -2
4p + 2 = 18
4p = 16
p = 4
5p - 2q²
(5.4) - (2.-2²)
20 - (2.4)
20 - 8
12
semoga membantu^^
4p - q = 18 (x1) 4p - q = 18 -
7q = -14
q = -2
4p - q = 18
4p - (-2) = 18
4p + 2 = 18
4p = 16
p = 4
5p - 2q² = 5(4) - 2(-2)² = 20 - 8 = 12