3+x-2(-4)=7-(-13)

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Solution for 3+x-2(-4)=7-(-13) equation: 


Simplifying
3 + x + -2(-4) = 7 + -1(-13)

Multiply -2 * -4
3 + x + 8 = 7 + -1(-13)

Reorder the terms:
3 + 8 + x = 7 + -1(-13)

Combine like terms: 3 + 8 = 11
11 + x = 7 + -1(-13)

Multiply -1 * -13
11 + x = 7 + 13

Combine like terms: 7 + 13 = 20
11 + x = 20

Solving
11 + x = 20

Solving for variable 'x'.

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

Add '-11' to each side of the equation.
11 + -11 + x = 20 + -11

Combine like terms: 11 + -11 = 0
0 + x = 20 + -11
x = 20 + -11

Combine like terms: 20 + -11 = 9
x = 9

Simplifying
x = 9

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