7x-2(-4x+2)=161

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Solution for 7x-2(-4x+2)=161 equation:


Simplifying
7x + -2(-4x + 2) = 161

Reorder the terms:
7x + -2(2 + -4x) = 161
7x + (2 * -2 + -4x * -2) = 161
7x + (-4 + 8x) = 161

Reorder the terms:
-4 + 7x + 8x = 161

Combine like terms: 7x + 8x = 15x
-4 + 15x = 161

Solving
-4 + 15x = 161

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + 15x = 161 + 4

Combine like terms: -4 + 4 = 0
0 + 15x = 161 + 4
15x = 161 + 4

Combine like terms: 161 + 4 = 165
15x = 165

Divide each side by '15'.
x = 11

Simplifying
x = 11

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