7x-8x+2x-1=5+5+10

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Solution for 7x-8x+2x-1=5+5+10 equation:


Simplifying
7x + -8x + 2x + -1 = 5 + 5 + 10

Reorder the terms:
-1 + 7x + -8x + 2x = 5 + 5 + 10

Combine like terms: 7x + -8x = -1x
-1 + -1x + 2x = 5 + 5 + 10

Combine like terms: -1x + 2x = 1x
-1 + 1x = 5 + 5 + 10

Combine like terms: 5 + 5 = 10
-1 + 1x = 10 + 10

Combine like terms: 10 + 10 = 20
-1 + 1x = 20

Solving
-1 + 1x = 20

Solving for variable 'x'.

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

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

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

Combine like terms: 20 + 1 = 21
1x = 21

Divide each side by '1'.
x = 21

Simplifying
x = 21

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