7x-2(5x+1)=13

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Solution for 7x-2(5x+1)=13 equation:


Simplifying
7x + -2(5x + 1) = 13

Reorder the terms:
7x + -2(1 + 5x) = 13
7x + (1 * -2 + 5x * -2) = 13
7x + (-2 + -10x) = 13

Reorder the terms:
-2 + 7x + -10x = 13

Combine like terms: 7x + -10x = -3x
-2 + -3x = 13

Solving
-2 + -3x = 13

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2 + -3x = 13 + 2

Combine like terms: -2 + 2 = 0
0 + -3x = 13 + 2
-3x = 13 + 2

Combine like terms: 13 + 2 = 15
-3x = 15

Divide each side by '-3'.
x = -5

Simplifying
x = -5

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