9x-(7x-18)=28

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Solution for 9x-(7x-18)=28 equation:


Simplifying
9x + -1(7x + -18) = 28

Reorder the terms:
9x + -1(-18 + 7x) = 28
9x + (-18 * -1 + 7x * -1) = 28
9x + (18 + -7x) = 28

Reorder the terms:
18 + 9x + -7x = 28

Combine like terms: 9x + -7x = 2x
18 + 2x = 28

Solving
18 + 2x = 28

Solving for variable 'x'.

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

Add '-18' to each side of the equation.
18 + -18 + 2x = 28 + -18

Combine like terms: 18 + -18 = 0
0 + 2x = 28 + -18
2x = 28 + -18

Combine like terms: 28 + -18 = 10
2x = 10

Divide each side by '2'.
x = 5

Simplifying
x = 5

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