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Given system 2x-4=5 5x+4y=2 Solve for x and y and SHOW ALL OF YOUR WORK
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4 votes
Given system

2x-4=5

5x+4y=2

Solve for x and y and SHOW ALL OF YOUR WORK

User Cistearns
by
8.0k points

1 Answer

3 votes
I'm solving your system by substitution.
2x-4=5, 5x+4y =2
Step# 1: solve for x
2x - 4+ 4= 5 + 4( add +4 to both sides)
2x = 9
x = 9/2
Step# 2: solve for y

5(9/2) + 4y = 2
4y + 45/2 = 2
4y 45
y = 45/4 = 11.25
User Weacked
by
9.2k points
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