Answer:
11.
5x=3x+28
5x=3x+282x=28
5x=3x+282x=28x=14
12. Image
Step-by-step explanation:
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Get two coordinates from the graph
(0,1) and (1,3)
Use them to find gradient
(3-1)/(1-0)=2
3rd answer always solve parenthesis first use PEMDAS
X=0.5y+4;
5(0.5y+4) -3y =19;
Y=2, x=5