x*7+45=80

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Solution for x*7+45=80 equation:


Simplifying
x * 7 + 45 = 80

Reorder the terms for easier multiplication:
7x + 45 = 80

Reorder the terms:
45 + 7x = 80

Solving
45 + 7x = 80

Solving for variable 'x'.

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

Add '-45' to each side of the equation.
45 + -45 + 7x = 80 + -45

Combine like terms: 45 + -45 = 0
0 + 7x = 80 + -45
7x = 80 + -45

Combine like terms: 80 + -45 = 35
7x = 35

Divide each side by '7'.
x = 5

Simplifying
x = 5

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