7(3x-4y+7)+5(2x-3y+5)=

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Solution for 7(3x-4y+7)+5(2x-3y+5)= equation:


Simplifying
7(3x + -4y + 7) + 5(2x + -3y + 5) = 0

Reorder the terms:
7(7 + 3x + -4y) + 5(2x + -3y + 5) = 0
(7 * 7 + 3x * 7 + -4y * 7) + 5(2x + -3y + 5) = 0
(49 + 21x + -28y) + 5(2x + -3y + 5) = 0

Reorder the terms:
49 + 21x + -28y + 5(5 + 2x + -3y) = 0
49 + 21x + -28y + (5 * 5 + 2x * 5 + -3y * 5) = 0
49 + 21x + -28y + (25 + 10x + -15y) = 0

Reorder the terms:
49 + 25 + 21x + 10x + -28y + -15y = 0

Combine like terms: 49 + 25 = 74
74 + 21x + 10x + -28y + -15y = 0

Combine like terms: 21x + 10x = 31x
74 + 31x + -28y + -15y = 0

Combine like terms: -28y + -15y = -43y
74 + 31x + -43y = 0

Solving
74 + 31x + -43y = 0

Solving for variable 'x'.

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

Add '-74' to each side of the equation.
74 + 31x + -74 + -43y = 0 + -74

Reorder the terms:
74 + -74 + 31x + -43y = 0 + -74

Combine like terms: 74 + -74 = 0
0 + 31x + -43y = 0 + -74
31x + -43y = 0 + -74

Combine like terms: 0 + -74 = -74
31x + -43y = -74

Add '43y' to each side of the equation.
31x + -43y + 43y = -74 + 43y

Combine like terms: -43y + 43y = 0
31x + 0 = -74 + 43y
31x = -74 + 43y

Divide each side by '31'.
x = -2.387096774 + 1.387096774y

Simplifying
x = -2.387096774 + 1.387096774y

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