20x-(7x-9)=48

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Solution for 20x-(7x-9)=48 equation:


Simplifying
20x + -1(7x + -9) = 48

Reorder the terms:
20x + -1(-9 + 7x) = 48
20x + (-9 * -1 + 7x * -1) = 48
20x + (9 + -7x) = 48

Reorder the terms:
9 + 20x + -7x = 48

Combine like terms: 20x + -7x = 13x
9 + 13x = 48

Solving
9 + 13x = 48

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 13x = 48 + -9

Combine like terms: 9 + -9 = 0
0 + 13x = 48 + -9
13x = 48 + -9

Combine like terms: 48 + -9 = 39
13x = 39

Divide each side by '13'.
x = 3

Simplifying
x = 3

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