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What is the x coordinate of the solution to the system of equations? {3x+2y=3 2x−2y=7

What is the x coordinate of the solution to the system of equations? {3x+2y=3 2x−2y=7
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What is the x coordinate of the solution to the system of equations? {3x+2y=3 2x−2y=7

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User Mohammad Tbeishat
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2 Answers

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3x = 10.........................?

answered
User Zackygaurav
by
8.1k points
3 votes
You're solving for x, so solve one equation for y first.
3x + 2y = 3
2x - 2y = 7

2x - 2y = 7
2x = 2y + 7
2x - 7 = 2y
y = (2x - 7)/2
Plug it into the other equation;
3x + 2((2x - 7)/2) = 3
3x - 2x - 7 = 3
x - 7 = 3
x = 10
answered
User Youssef El Behi
by
8.1k points
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