Question 176580
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{{{4x + 3y = 12}}}, EQN 1 
{{{x + y = 2 }}}, EQN 2
In EQN 2, we get
{{{y=2-x}}}, EQN 3, & subst in EQN 1:
{{{4x+3(2-x)=12}}}
{{{4x+6-3x=12}}}
{{{4x-3x=12-6}}}
{{{highlight(x=6)}}}, subst in EQN 3:
{{{y=2-6=highlight(-4=y)}}}
See graph:
{{{drawing(300,300,-6,12,-12,6,grid(1),graph(300,300,-6,12,-12,6,2-x,4-(4/3)x),blue(circle(6,-4,.20)))}}}--> RED>>>EQN 2; GREEN>>>EQN 1
Thank you,
Jojo</pre>