3x+7x+12=45

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Solution for 3x+7x+12=45 equation:


Simplifying
3x + 7x + 12 = 45

Reorder the terms:
12 + 3x + 7x = 45

Combine like terms: 3x + 7x = 10x
12 + 10x = 45

Solving
12 + 10x = 45

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 10x = 45 + -12

Combine like terms: 12 + -12 = 0
0 + 10x = 45 + -12
10x = 45 + -12

Combine like terms: 45 + -12 = 33
10x = 33

Divide each side by '10'.
x = 3.3

Simplifying
x = 3.3

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