Y=1/2x-3 and 9x-2y=-74 substitution
2 answers:
Hello :
<span>Y=1/2x-3 ...(1)
and
9x-2y=-74....(2)
subsct in (2) :
9x-2(1/2x-3) = -74
9x-x+6 = -74
8x =-80
x = -10
in(1) : y =1/2(-10)-3
y = -8</span>
<span><span><span><span><span><span>x</span><span>=</span><span>2</span><span>(</span><span>y</span><span>+</span><span>3</span><span>)</span></span></span></span></span></span><span>x=<span><span>9</span><span><span>2(y−37)</span></span><span></span>
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