How to use excel solver to solve linear equation in Excel

[Chini mao]

Hi friends, recently I was using the excel solver to solve one of the liner equation but however I was not able to solve. I just want to know How to use Excel to solve for 2 unknown in linear equation
x + Y = 1 -----------------------------------eq1
3x + 4Y =7 ----------------------------------eq2

so if you have any of the information then please let me know.

[JustineBB]

According to my information there is One way to solve this liner equation:

A1: 1
B1: 1
C1: =A1 + B1
D1: =3*A1 + 4*B1


Set Target Cell = D1
Equal to Value of 7
By changing cells: A1:B1
Subject to the Constraints: $C$1 = 1