How can I change the subject of the formula in 1.1 y=mx+q
1.2.1 m
1.2.2 q
1.2.3 x
1.2.1 y=mx+qy=mx+qy=mx+q
Subtracting q from both sides
mx=y−qmx=y-qmx=y−q
Dividing both sides by x
m=y−qxm=\dfrac{y-q}{x}m=xy−q
1.2.2 y=mx+qy=mx+qy=mx+q
Subtracting mx from both sides
q=y−mxq=y-mxq=y−mx
1.2.3 y=mx+qy=mx+qy=mx+q
mx=y−qmx=y−qmx=y−q
Dividing both sides by m
x=y−qmx=\dfrac{y-q}{m}x=my−q
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