What are the coordinates of point of intersection of y=x+3 and y=3x-3?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter1: Variables, Expressions, And Integers
Section1.8: The Coordinate Plane
Problem 1E
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What are the coordinates of point of intersection of y=x+3 and y=3x-3?

Expert Solution
Step 1

Equating y = x+3 and, y = 3x-3, we get,

x+3 = 3x-3

So, 2x = 6

So, x = 3

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