45=7x+3

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Solution for 45=7x+3 equation:


Simplifying
45 = 7x + 3

Reorder the terms:
45 = 3 + 7x

Solving
45 = 3 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
45 + -7x = 3 + 7x + -7x

Combine like terms: 7x + -7x = 0
45 + -7x = 3 + 0
45 + -7x = 3

Add '-45' to each side of the equation.
45 + -45 + -7x = 3 + -45

Combine like terms: 45 + -45 = 0
0 + -7x = 3 + -45
-7x = 3 + -45

Combine like terms: 3 + -45 = -42
-7x = -42

Divide each side by '-7'.
x = 6

Simplifying
x = 6

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