Question

Ayuda plisssssssassuwyuuuuuu con procedimiento

Answer 1

Explicación paso a paso:

x + 10 = 21

X = 21 - 10

x = 11

18 - x = 18

x = 18 - 18

x = 0

y - 7 = -11

y = -11 +7

y = -4

5x - 8 = 2x + 10

5x - 2x = 10 + 8

3x = 18

x = 18/3

x = 6