5(x+3y)-(7x+8y)=-6

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Solution for 5(x+3y)-(7x+8y)=-6 equation:


Simplifying
5(x + 3y) + -1(7x + 8y) = -6
(x * 5 + 3y * 5) + -1(7x + 8y) = -6
(5x + 15y) + -1(7x + 8y) = -6
5x + 15y + (7x * -1 + 8y * -1) = -6
5x + 15y + (-7x + -8y) = -6

Reorder the terms:
5x + -7x + 15y + -8y = -6

Combine like terms: 5x + -7x = -2x
-2x + 15y + -8y = -6

Combine like terms: 15y + -8y = 7y
-2x + 7y = -6

Solving
-2x + 7y = -6

Solving for variable 'x'.

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

Add '-7y' to each side of the equation.
-2x + 7y + -7y = -6 + -7y

Combine like terms: 7y + -7y = 0
-2x + 0 = -6 + -7y
-2x = -6 + -7y

Divide each side by '-2'.
x = 3 + 3.5y

Simplifying
x = 3 + 3.5y

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