45=3(2x+7)

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Solution for 45=3(2x+7) equation:


Simplifying
45 = 3(2x + 7)

Reorder the terms:
45 = 3(7 + 2x)
45 = (7 * 3 + 2x * 3)
45 = (21 + 6x)

Solving
45 = 21 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
45 + -6x = 21 + 6x + -6x

Combine like terms: 6x + -6x = 0
45 + -6x = 21 + 0
45 + -6x = 21

Add '-45' to each side of the equation.
45 + -45 + -6x = 21 + -45

Combine like terms: 45 + -45 = 0
0 + -6x = 21 + -45
-6x = 21 + -45

Combine like terms: 21 + -45 = -24
-6x = -24

Divide each side by '-6'.
x = 4

Simplifying
x = 4

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