45(x+40)=55x

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Solution for 45(x+40)=55x equation:


Simplifying
45(x + 40) = 55x

Reorder the terms:
45(40 + x) = 55x
(40 * 45 + x * 45) = 55x
(1800 + 45x) = 55x

Solving
1800 + 45x = 55x

Solving for variable 'x'.

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

Add '-55x' to each side of the equation.
1800 + 45x + -55x = 55x + -55x

Combine like terms: 45x + -55x = -10x
1800 + -10x = 55x + -55x

Combine like terms: 55x + -55x = 0
1800 + -10x = 0

Add '-1800' to each side of the equation.
1800 + -1800 + -10x = 0 + -1800

Combine like terms: 1800 + -1800 = 0
0 + -10x = 0 + -1800
-10x = 0 + -1800

Combine like terms: 0 + -1800 = -1800
-10x = -1800

Divide each side by '-10'.
x = 180

Simplifying
x = 180

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