7x-3x-20=15+x-10

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Solution for 7x-3x-20=15+x-10 equation:


Simplifying
7x + -3x + -20 = 15 + x + -10

Reorder the terms:
-20 + 7x + -3x = 15 + x + -10

Combine like terms: 7x + -3x = 4x
-20 + 4x = 15 + x + -10

Reorder the terms:
-20 + 4x = 15 + -10 + x

Combine like terms: 15 + -10 = 5
-20 + 4x = 5 + x

Solving
-20 + 4x = 5 + x

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.
-20 + 4x + -1x = 5 + x + -1x

Combine like terms: 4x + -1x = 3x
-20 + 3x = 5 + x + -1x

Combine like terms: x + -1x = 0
-20 + 3x = 5 + 0
-20 + 3x = 5

Add '20' to each side of the equation.
-20 + 20 + 3x = 5 + 20

Combine like terms: -20 + 20 = 0
0 + 3x = 5 + 20
3x = 5 + 20

Combine like terms: 5 + 20 = 25
3x = 25

Divide each side by '3'.
x = 8.333333333

Simplifying
x = 8.333333333

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