Question

Lagi,, tolong di bantu..

Answer 1

1) y = -9 + 6
y = -3
2) 2x - 45/4 = 13
 2x = 13 + 45/4
2x = 97/4
x = 97/8 = 12,125
3) y = 12 - 7
y = 5
4) -x + 9 = 7
-x = -2
x = 2
semoga membantu :)