2(x+9)+5(2y-1)=8

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Solution for 2(x+9)+5(2y-1)=8 equation:


Simplifying
2(x + 9) + 5(2y + -1) = 8

Reorder the terms:
2(9 + x) + 5(2y + -1) = 8
(9 * 2 + x * 2) + 5(2y + -1) = 8
(18 + 2x) + 5(2y + -1) = 8

Reorder the terms:
18 + 2x + 5(-1 + 2y) = 8
18 + 2x + (-1 * 5 + 2y * 5) = 8
18 + 2x + (-5 + 10y) = 8

Reorder the terms:
18 + -5 + 2x + 10y = 8

Combine like terms: 18 + -5 = 13
13 + 2x + 10y = 8

Solving
13 + 2x + 10y = 8

Solving for variable 'x'.

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

Add '-13' to each side of the equation.
13 + 2x + -13 + 10y = 8 + -13

Reorder the terms:
13 + -13 + 2x + 10y = 8 + -13

Combine like terms: 13 + -13 = 0
0 + 2x + 10y = 8 + -13
2x + 10y = 8 + -13

Combine like terms: 8 + -13 = -5
2x + 10y = -5

Add '-10y' to each side of the equation.
2x + 10y + -10y = -5 + -10y

Combine like terms: 10y + -10y = 0
2x + 0 = -5 + -10y
2x = -5 + -10y

Divide each side by '2'.
x = -2.5 + -5y

Simplifying
x = -2.5 + -5y

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