gabrielaromero2 gabrielaromero2

11-01-2019
Mathematics

contestada

john paid $99 for one algebra book and two geometry book. the cost of a geometry book is $3 less than a algebra book. substitution equation

Respuesta :

willowbeewilson willowbeewilson

11-01-2019

Answer:

A=34, G=31

Step-by-step explanation:

G=A-3

2G+A=99

plug in for g 2(A-3)+A=99

distribute 2 A-3+A=99

combine like terms 3A-3=99

solve for a 3A=102 A=34

plug in a solve for g G=34-3 G=31

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