2(x-5)-5(7-x)=9

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Solution for 2(x-5)-5(7-x)=9 equation:


Simplifying
2(x + -5) + -5(7 + -1x) = 9

Reorder the terms:
2(-5 + x) + -5(7 + -1x) = 9
(-5 * 2 + x * 2) + -5(7 + -1x) = 9
(-10 + 2x) + -5(7 + -1x) = 9
-10 + 2x + (7 * -5 + -1x * -5) = 9
-10 + 2x + (-35 + 5x) = 9

Reorder the terms:
-10 + -35 + 2x + 5x = 9

Combine like terms: -10 + -35 = -45
-45 + 2x + 5x = 9

Combine like terms: 2x + 5x = 7x
-45 + 7x = 9

Solving
-45 + 7x = 9

Solving for variable 'x'.

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

Add '45' to each side of the equation.
-45 + 45 + 7x = 9 + 45

Combine like terms: -45 + 45 = 0
0 + 7x = 9 + 45
7x = 9 + 45

Combine like terms: 9 + 45 = 54
7x = 54

Divide each side by '7'.
x = 7.714285714

Simplifying
x = 7.714285714

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