9(y-7)=8(x-7)

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Solution for 9(y-7)=8(x-7) equation:


Simplifying
9(y + -7) = 8(x + -7)

Reorder the terms:
9(-7 + y) = 8(x + -7)
(-7 * 9 + y * 9) = 8(x + -7)
(-63 + 9y) = 8(x + -7)

Reorder the terms:
-63 + 9y = 8(-7 + x)
-63 + 9y = (-7 * 8 + x * 8)
-63 + 9y = (-56 + 8x)

Solving
-63 + 9y = -56 + 8x

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '63' to each side of the equation.
-63 + 63 + 9y = -56 + 63 + 8x

Combine like terms: -63 + 63 = 0
0 + 9y = -56 + 63 + 8x
9y = -56 + 63 + 8x

Combine like terms: -56 + 63 = 7
9y = 7 + 8x

Divide each side by '9'.
y = 0.7777777778 + 0.8888888889x

Simplifying
y = 0.7777777778 + 0.8888888889x

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