hubungan Antara X, y, z ialah y kadar Dengan z Bahagi X diberi bahawa y=3 Bahagi 5 apabila z= 30.hitung nilai X apabila y=18 Dan z =42​

i used to know how to do this in 7th but i forget easily

step-by-step explanation:

“a term can be a signed number, a variable, or a constant multiplied by a + sign or j sign. in , the terms are 5x , 3y and 8. when a term is made up of a constant multiplied by a variable or variables, that constant is called a coefficient.” i hope this you.