Question 182273
6x - 3(y + 7) = 3 --> 6x - 3y - 21 = 3 --> 2x - y - 7 = 1
2x - y = 8 eqn 1
10x = y + 7 eqn 2
Solve for y in eqn 2
y = 10x - 7
Sub for y into eqn 1
2x -(10x-7) = 8
2x-10x+7 = 8
-8x = 1
x = -1/8
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y = 10x-7
y = -5/4 - 7
y = -33/4