=3(5x-13y)-2(-3x-4y)

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Solution for =3(5x-13y)-2(-3x-4y) equation:


Simplifying
0 = 3(5x + -13y) + -2(-3x + -4y)
0 = (5x * 3 + -13y * 3) + -2(-3x + -4y)
0 = (15x + -39y) + -2(-3x + -4y)
0 = 15x + -39y + (-3x * -2 + -4y * -2)
0 = 15x + -39y + (6x + 8y)

Reorder the terms:
0 = 15x + 6x + -39y + 8y

Combine like terms: 15x + 6x = 21x
0 = 21x + -39y + 8y

Combine like terms: -39y + 8y = -31y
0 = 21x + -31y

Solving
0 = 21x + -31y

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
0 + -21x = 21x + -21x + -31y
Remove the zero:
-21x = 21x + -21x + -31y

Combine like terms: 21x + -21x = 0
-21x = 0 + -31y
-21x = -31y

Divide each side by '-21'.
x = 1.476190476y

Simplifying
x = 1.476190476y

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