(10y-8)-(40x+20y-7)=

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Solution for (10y-8)-(40x+20y-7)= equation:


Simplifying
(10y + -8) + -1(40x + 20y + -7) = 0

Reorder the terms:
(-8 + 10y) + -1(40x + 20y + -7) = 0

Remove parenthesis around (-8 + 10y)
-8 + 10y + -1(40x + 20y + -7) = 0

Reorder the terms:
-8 + 10y + -1(-7 + 40x + 20y) = 0
-8 + 10y + (-7 * -1 + 40x * -1 + 20y * -1) = 0
-8 + 10y + (7 + -40x + -20y) = 0

Reorder the terms:
-8 + 7 + -40x + 10y + -20y = 0

Combine like terms: -8 + 7 = -1
-1 + -40x + 10y + -20y = 0

Combine like terms: 10y + -20y = -10y
-1 + -40x + -10y = 0

Solving
-1 + -40x + -10y = 0

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + -40x + 1 + -10y = 0 + 1

Reorder the terms:
-1 + 1 + -40x + -10y = 0 + 1

Combine like terms: -1 + 1 = 0
0 + -40x + -10y = 0 + 1
-40x + -10y = 0 + 1

Combine like terms: 0 + 1 = 1
-40x + -10y = 1

Add '10y' to each side of the equation.
-40x + -10y + 10y = 1 + 10y

Combine like terms: -10y + 10y = 0
-40x + 0 = 1 + 10y
-40x = 1 + 10y

Divide each side by '-40'.
x = -0.025 + -0.25y

Simplifying
x = -0.025 + -0.25y

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