18-9x=10(7-2x)+3

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Solution for 18-9x=10(7-2x)+3 equation:


Simplifying
18 + -9x = 10(7 + -2x) + 3
18 + -9x = (7 * 10 + -2x * 10) + 3
18 + -9x = (70 + -20x) + 3

Reorder the terms:
18 + -9x = 70 + 3 + -20x

Combine like terms: 70 + 3 = 73
18 + -9x = 73 + -20x

Solving
18 + -9x = 73 + -20x

Solving for variable 'x'.

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

Add '20x' to each side of the equation.
18 + -9x + 20x = 73 + -20x + 20x

Combine like terms: -9x + 20x = 11x
18 + 11x = 73 + -20x + 20x

Combine like terms: -20x + 20x = 0
18 + 11x = 73 + 0
18 + 11x = 73

Add '-18' to each side of the equation.
18 + -18 + 11x = 73 + -18

Combine like terms: 18 + -18 = 0
0 + 11x = 73 + -18
11x = 73 + -18

Combine like terms: 73 + -18 = 55
11x = 55

Divide each side by '11'.
x = 5

Simplifying
x = 5

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