solve the equation by equating coefficients in variables x+y=7 3x+2y=11
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Step-by-step explanation:
x+y=7 and 3x+2y=11
Multiplying (x+y=7) by 3 to make the coefficients of x equal
3x + 3y = 21 and 3x + 2y = 11
Subtracting both,
y = 10
Now putting the value of y in any equation,
x+y=7
x + 10= 7
x = (-3)
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