231. a) 4x - 5 -(7x + 8) = 2; 6) 9z+17- (42 - 5) = 38; B) 24 - (x2 + 8x - 17) = 5 - 5x – xP;
r) 19 -(3x2 - 2x) - (6x - x?)=7 - 2x2.

Question

Алгебра: 231. a) 4x - 5 -(7x + 8) = 2; 6) 9z+17- (42 - 5) = 38; B) 24 - (x2 + 8x - 17) = 5 - 5x – xP;r) 19 -(3x2 - 2x) - (6x - x?)=7 - 2x2.​

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Это какой класс Объяснение:...

231. a) 4x - 5 -(7x + 8) = 2; 6) 9z+17- (42 - 5) = 38; B) 24 - (x2 + 8x - 17) = 5 - 5x – xP;r) 19 -(3x2 - 2x) - (6x - x?)=7 - 2x2.​