4x+20+x+25=90

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Solution for 4x+20+x+25=90 equation:


Simplifying
4x + 20 + x + 25 = 90

Reorder the terms:
20 + 25 + 4x + x = 90

Combine like terms: 20 + 25 = 45
45 + 4x + x = 90

Combine like terms: 4x + x = 5x
45 + 5x = 90

Solving
45 + 5x = 90

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 + 5x = 90 + -45

Combine like terms: 45 + -45 = 0
0 + 5x = 90 + -45
5x = 90 + -45

Combine like terms: 90 + -45 = 45
5x = 45

Divide each side by '5'.
x = 9

Simplifying
x = 9

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