8(1-2x)+7(x-1)=28

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Solution for 8(1-2x)+7(x-1)=28 equation:


Simplifying
8(1 + -2x) + 7(x + -1) = 28
(1 * 8 + -2x * 8) + 7(x + -1) = 28
(8 + -16x) + 7(x + -1) = 28

Reorder the terms:
8 + -16x + 7(-1 + x) = 28
8 + -16x + (-1 * 7 + x * 7) = 28
8 + -16x + (-7 + 7x) = 28

Reorder the terms:
8 + -7 + -16x + 7x = 28

Combine like terms: 8 + -7 = 1
1 + -16x + 7x = 28

Combine like terms: -16x + 7x = -9x
1 + -9x = 28

Solving
1 + -9x = 28

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 + -9x = 28 + -1

Combine like terms: 1 + -1 = 0
0 + -9x = 28 + -1
-9x = 28 + -1

Combine like terms: 28 + -1 = 27
-9x = 27

Divide each side by '-9'.
x = -3

Simplifying
x = -3

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