x + 2y = -7 x=y + 23

need to understand how to solve this type of problem

solving systems using subtraction

x + 2y = -7  

x=y + 23
in order of operations by

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1 Answer

line 1: x+2y=-7

line 2: x=y+23

line1...(y+23)+2y=-7

3y+23=-7

3y=-30

y=-10

x=y+23=23-10=13
by

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