6(x-7)+40=8x-20

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Solution for 6(x-7)+40=8x-20 equation:


Simplifying
6(x + -7) + 40 = 8x + -20

Reorder the terms:
6(-7 + x) + 40 = 8x + -20
(-7 * 6 + x * 6) + 40 = 8x + -20
(-42 + 6x) + 40 = 8x + -20

Reorder the terms:
-42 + 40 + 6x = 8x + -20

Combine like terms: -42 + 40 = -2
-2 + 6x = 8x + -20

Reorder the terms:
-2 + 6x = -20 + 8x

Solving
-2 + 6x = -20 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
-2 + 6x + -8x = -20 + 8x + -8x

Combine like terms: 6x + -8x = -2x
-2 + -2x = -20 + 8x + -8x

Combine like terms: 8x + -8x = 0
-2 + -2x = -20 + 0
-2 + -2x = -20

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

Combine like terms: -2 + 2 = 0
0 + -2x = -20 + 2
-2x = -20 + 2

Combine like terms: -20 + 2 = -18
-2x = -18

Divide each side by '-2'.
x = 9

Simplifying
x = 9

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