SOLUTION: Solve for each system by the substitution method 6x - 3y = 3 10x = y + 7 .. 10x=[y]+7 -7 -7 ---------- 10x-7=y +7 +7 ----------- 10=y-7 +7 +7 y=17

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: Solve for each system by the substitution method 6x - 3y = 3 10x = y + 7 .. 10x=[y]+7 -7 -7 ---------- 10x-7=y +7 +7 ----------- 10=y-7 +7 +7 y=17       Log On


   

Question 374167: Solve for each system by the substitution method
6x - 3y = 3
10x = y + 7
..
10x=[y]+7
-7 -7
----------
10x-7=y
+7 +7
-----------
10=y-7
+7 +7
y=17
Plug it in the first equation
6x-3(17)=y
6x-51=3
+51 +51
--------
6x=54
/6
x=9
Check:
6(9)-3(17)=3
54-51=3
3=3
Answer by Bebita1992(4) About Me  (Show Source):
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Solve for each system by the substitution method
6x - 3y = 3
10x = y + 7
..
10x=[y]+7
-7 -7
----------
10x-7=y
+7 +7
-----------
10=y-7
+7 +7
y=17
Plug it in the first equation
6x-3(17)=y
6x-51=3
+51 +51
--------
6x=54
/6
x=9
Check:
6(9)-3(17)=3
54-51=3
3=3