Specify the coordinates of the intersection of the lines y = 3x-6 and y = 2x-1.
June 3, 2021 | education
| In order to find the coordinates of the point of intersection of the lines y = 3x – 6 and y = 2x – 1, we must solve a system of these equations.
Let’s write a system of equations:
y = 3x – 6;
y = 2x – 1.
To solve the system, we use the substitution method. Each of the equations is an expression of the variable y in terms of x.
System of equations:
2x – 1 = 3x – 6;
y = 2x – 1.
We solve the resulting first equation of the system:
2x – 3x = -6 + 1;
x (2 – 3) = -5;
-x = -5;
x = 5.
System of equations:
x = 5;
y = 2 * 5 – 1 = 10 – 1 = 9.
(5; 9).
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