7x-1+3x-9=45

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Solution for 7x-1+3x-9=45 equation:


Simplifying
7x + -1 + 3x + -9 = 45

Reorder the terms:
-1 + -9 + 7x + 3x = 45

Combine like terms: -1 + -9 = -10
-10 + 7x + 3x = 45

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

Solving
-10 + 10x = 45

Solving for variable 'x'.

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

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

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

Combine like terms: 45 + 10 = 55
10x = 55

Divide each side by '10'.
x = 5.5

Simplifying
x = 5.5

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