1x-15+1x-45=1x+20

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Solution for 1x-15+1x-45=1x+20 equation:


Simplifying
1x + -15 + 1x + -45 = 1x + 20

Reorder the terms:
-15 + -45 + 1x + 1x = 1x + 20

Combine like terms: -15 + -45 = -60
-60 + 1x + 1x = 1x + 20

Combine like terms: 1x + 1x = 2x
-60 + 2x = 1x + 20

Reorder the terms:
-60 + 2x = 20 + 1x

Solving
-60 + 2x = 20 + 1x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-60 + 2x + -1x = 20 + 1x + -1x

Combine like terms: 2x + -1x = 1x
-60 + 1x = 20 + 1x + -1x

Combine like terms: 1x + -1x = 0
-60 + 1x = 20 + 0
-60 + 1x = 20

Add '60' to each side of the equation.
-60 + 60 + 1x = 20 + 60

Combine like terms: -60 + 60 = 0
0 + 1x = 20 + 60
1x = 20 + 60

Combine like terms: 20 + 60 = 80
1x = 80

Divide each side by '1'.
x = 80

Simplifying
x = 80

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