1) 12.5x - 10 + 3x - 9 - 8 + 32x = 15.5x - 27
2) 3x^2 - 12x - 6x^2 - 12x = -3x^2 - 24x
3) 5a^3 - 20a - 8a^3 + 48a = -3a^3 + 28a
4) 2xy - 2y^2 + Ty^2 - 3xy = -x^2 + 2xy + Ty^2
5) 0.2a^4 - 0.8a + 0.2a^4 - 8.8a^2 + 0.2a = 0.4a^4 - 9.6a + 0.2a
6) 50x^2 - 70xy - 30xy - 54x^2 = -4x^2 - 100xy
7) 7m^2 - 21mn - 45mn - 15n^2 - 4m^2 + 32mn = 3m^2 - 34mn - 15n^2
8) 3c^4 - 12c^3 - 2c^4 + 12c^3 - 6c^2 + 2c - 9 - c^4 = -3c^4 + 6c^3 - 6c^2 + 2c - 9
1) 12.5x - 10 + 3x - 9 - 8 + 32x = 15.5x - 27
2) 3x^2 - 12x - 6x^2 - 12x = -3x^2 - 24x
3) 5a^3 - 20a - 8a^3 + 48a = -3a^3 + 28a
4) 2xy - 2y^2 + Ty^2 - 3xy = -x^2 + 2xy + Ty^2
5) 0.2a^4 - 0.8a + 0.2a^4 - 8.8a^2 + 0.2a = 0.4a^4 - 9.6a + 0.2a
6) 50x^2 - 70xy - 30xy - 54x^2 = -4x^2 - 100xy
7) 7m^2 - 21mn - 45mn - 15n^2 - 4m^2 + 32mn = 3m^2 - 34mn - 15n^2
8) 3c^4 - 12c^3 - 2c^4 + 12c^3 - 6c^2 + 2c - 9 - c^4 = -3c^4 + 6c^3 - 6c^2 + 2c - 9