.5x-y=7(x-.2)-1+y

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Solution for .5x-y=7(x-.2)-1+y equation:


Simplifying
0.5x + -1y = 7(x + -0.2) + -1 + y

Reorder the terms:
0.5x + -1y = 7(-0.2 + x) + -1 + y
0.5x + -1y = (-0.2 * 7 + x * 7) + -1 + y
0.5x + -1y = (-1.4 + 7x) + -1 + y

Reorder the terms:
0.5x + -1y = -1.4 + -1 + 7x + y

Combine like terms: -1.4 + -1 = -2.4
0.5x + -1y = -2.4 + 7x + y

Solving
0.5x + -1y = -2.4 + 7x + y

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
0.5x + -7x + -1y = -2.4 + 7x + -7x + y

Combine like terms: 0.5x + -7x = -6.5x
-6.5x + -1y = -2.4 + 7x + -7x + y

Combine like terms: 7x + -7x = 0
-6.5x + -1y = -2.4 + 0 + y
-6.5x + -1y = -2.4 + y

Add 'y' to each side of the equation.
-6.5x + -1y + y = -2.4 + y + y

Combine like terms: -1y + y = 0
-6.5x + 0 = -2.4 + y + y
-6.5x = -2.4 + y + y

Combine like terms: y + y = 2y
-6.5x = -2.4 + 2y

Divide each side by '-6.5'.
x = 0.3692307692 + -0.3076923077y

Simplifying
x = 0.3692307692 + -0.3076923077y

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