Respuesta :

you basically plug in the x in the equation, for example if x = 4 and the equation is y = 2x + 5 you plug in 4 and the equation becomes y = 2(4) + 5. you then multiply and get y=8+5. from here u just add it and u get ur answer
ineedthepoints
1. you do the equation but x would be 15 (how much money you can spend)

2. 5(d+1) is multiplication. you have to multiply the outside number to the inside ones. So 5*d would be 5d and 5*1 is 5 so 5d+5

3. 3x+9=6x
-3. -3
6-3= 3
9/3=3

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