-7x+1+8x=-1+20

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Solution for -7x+1+8x=-1+20 equation:


Simplifying
-7x + 1 + 8x = -1 + 20

Reorder the terms:
1 + -7x + 8x = -1 + 20

Combine like terms: -7x + 8x = 1x
1 + 1x = -1 + 20

Combine like terms: -1 + 20 = 19
1 + 1x = 19

Solving
1 + 1x = 19

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 = 19 + -1

Combine like terms: 1 + -1 = 0
0 + 1x = 19 + -1
1x = 19 + -1

Combine like terms: 19 + -1 = 18
1x = 18

Divide each side by '1'.
x = 18

Simplifying
x = 18

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