5(x-1)+2(y+1)=42

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Solution for 5(x-1)+2(y+1)=42 equation:


Simplifying
5(x + -1) + 2(y + 1) = 42

Reorder the terms:
5(-1 + x) + 2(y + 1) = 42
(-1 * 5 + x * 5) + 2(y + 1) = 42
(-5 + 5x) + 2(y + 1) = 42

Reorder the terms:
-5 + 5x + 2(1 + y) = 42
-5 + 5x + (1 * 2 + y * 2) = 42
-5 + 5x + (2 + 2y) = 42

Reorder the terms:
-5 + 2 + 5x + 2y = 42

Combine like terms: -5 + 2 = -3
-3 + 5x + 2y = 42

Solving
-3 + 5x + 2y = 42

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 5x + 3 + 2y = 42 + 3

Reorder the terms:
-3 + 3 + 5x + 2y = 42 + 3

Combine like terms: -3 + 3 = 0
0 + 5x + 2y = 42 + 3
5x + 2y = 42 + 3

Combine like terms: 42 + 3 = 45
5x + 2y = 45

Add '-2y' to each side of the equation.
5x + 2y + -2y = 45 + -2y

Combine like terms: 2y + -2y = 0
5x + 0 = 45 + -2y
5x = 45 + -2y

Divide each side by '5'.
x = 9 + -0.4y

Simplifying
x = 9 + -0.4y

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