If 2x + 3y = 20 and 4x - 2y =24, the value of x is
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Step-by-step explanation:
multiply frst equation by 2
4x+6y=40
4x-2y=24
- + -
8y=16
y=2
4x+12=40
4x=40-12
4x=28
x=7...
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