g) x2 + 6x + 3x? + 5x = h) -3xy + 3y + 2xy = i) (x +2y) + (-2y - x) = .... j) (7x + 3) + (5x - 2) = - ... 1) 9x - (3x - 5) = ... m) 14x - (9x + 6) = ....... 0) (16x + 13y) - (8y - 2x) = ........ 0) (3x - 12) - (2x + 9) = r) -8% - (2x -1) - (-4x) = ...... s) (40x + 10) - (7 - 3x) = .. t) (a + b) - (-a - b) = ...... u) (4a + b) - (2a - 4b) = ... + v) (b - 2a) - (-2a + b) = ........ y) (17x - 12) - (5x - 4) = ...7.sinif​