7x+1=8x+2(x-10)

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


Simplifying
7x + 1 = 8x + 2(x + -10)

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

Reorder the terms:
1 + 7x = 8x + 2(-10 + x)
1 + 7x = 8x + (-10 * 2 + x * 2)
1 + 7x = 8x + (-20 + 2x)

Reorder the terms:
1 + 7x = -20 + 8x + 2x

Combine like terms: 8x + 2x = 10x
1 + 7x = -20 + 10x

Solving
1 + 7x = -20 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
1 + 7x + -10x = -20 + 10x + -10x

Combine like terms: 7x + -10x = -3x
1 + -3x = -20 + 10x + -10x

Combine like terms: 10x + -10x = 0
1 + -3x = -20 + 0
1 + -3x = -20

Add '-1' to each side of the equation.
1 + -1 + -3x = -20 + -1

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

Combine like terms: -20 + -1 = -21
-3x = -21

Divide each side by '-3'.
x = 7

Simplifying
x = 7

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