for what value of a and b the following system of equations have an infinite number of solution 2x +3y=7 ; (a-b)x +(a+b)+b-2
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2x + 3y = 7
solve for x
2x + 3y = 7
2x / 2 = 7 - 3y
2
x = 7 - 3y
2
solve for y
2x + 3y = 7
3y = 7 - 2x
3y / 3 = 7 - 2x
3
y = 7 - 2x
3
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