Question 511503
Get the equation into slope-intercept form:  y = mx+b
.
6x +3y = 54
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divide by 3
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2x +y  =18
.
y = -2x + 18
.
slope = -2
y-intercept = (0,18)
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x-intercept occurs where y=0.
.
0 = -2x +18
x = 9
so
x-intercept = (9,0)
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Check with a graph
.
{{{graph(500,500,-20,20,-20,20,-2*x+18)}}}