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If the point (a, 4) is on the graph of 2x + y = 7, what is the value of a

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please help

equation-of-a-line

asked Feb 11, 2014 in ALGEBRA 1 by anonymous Apprentice

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1 Answer

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Given line 2x+y = 7

Given point (a,4) satisfy the line equation.

2a+4 = 7

2a = 3

a = 3/2

a = 1.5

From the graph we can observe the value of a = 1.5

answered Feb 11, 2014 by friend Mentor

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