45=2(x+9)+3

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Solution for 45=2(x+9)+3 equation:


Simplifying
45 = 2(x + 9) + 3

Reorder the terms:
45 = 2(9 + x) + 3
45 = (9 * 2 + x * 2) + 3
45 = (18 + 2x) + 3

Reorder the terms:
45 = 18 + 3 + 2x

Combine like terms: 18 + 3 = 21
45 = 21 + 2x

Solving
45 = 21 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
45 + -2x = 21 + 2x + -2x

Combine like terms: 2x + -2x = 0
45 + -2x = 21 + 0
45 + -2x = 21

Add '-45' to each side of the equation.
45 + -45 + -2x = 21 + -45

Combine like terms: 45 + -45 = 0
0 + -2x = 21 + -45
-2x = 21 + -45

Combine like terms: 21 + -45 = -24
-2x = -24

Divide each side by '-2'.
x = 12

Simplifying
x = 12

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