Question

Допоможіть будь ласка

Answer 1

$6p - 6c = 6(p - c)$

$5am - 8an + a = a(5m - 8n + 1)$

$14ab + 35bc = 7b(2a + 5c)$

$(5.3 + a) - (a + 6.4) = 5.3 + a - a - 6.4 = - 1.1$

$- (9.4 - b) + ( - b + 3.7) = - 9.4 + b - b + 3.7 = - 5.7$

$- (x - 5.8 - y) - (11.3 - x) = - x + 5.8 + y - 11.3 + x = y - 5.5$

$- (a - b - 7.4) + ( - 7.4 + b + a) = - a + b + 7.4 - 7.4 + b + a = 2b$

$7a - 19a + 28a - 2a = (7 - 19 + 28 - 2)a = 14a$

$- 8x + 16x - 23x + 17x = ( - 5 + 16 - 23 + 17)x = 5x$

$2.7m - n + 3.5m - 2.7n = (2.7 + 3.5)m + ( - 1 - 2.7)n = 6.2m - 3.7n$

$2.9c + 1.8 - 5.2c - 1.2 = - 2.3c + 0.6$

$2.6p - 0.7k + 1.3 - 3.1p + 2.8k = - 0.5p + 2.1k + 1.3$

$- \frac{5}{7} a + \frac{4}{9} b + \frac{9}{14} a - \frac{7}{15} b = ( - \frac{5}{7} + \frac{9}{14} )a + ( \frac{4}{9} - \frac{7}{15} )b = ( - \frac{10}{14} + \frac{9}{14} )a + ( \frac{20}{45} - \frac{21}{45} )b = - \frac{1}{14} a - \frac{1}{45} b$