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

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


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

Reorder the terms:
13 = 7x + 2(3 + -4x)
13 = 7x + (3 * 2 + -4x * 2)
13 = 7x + (6 + -8x)

Reorder the terms:
13 = 6 + 7x + -8x

Combine like terms: 7x + -8x = -1x
13 = 6 + -1x

Solving
13 = 6 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
13 + x = 6 + -1x + x

Combine like terms: -1x + x = 0
13 + x = 6 + 0
13 + x = 6

Add '-13' to each side of the equation.
13 + -13 + x = 6 + -13

Combine like terms: 13 + -13 = 0
0 + x = 6 + -13
x = 6 + -13

Combine like terms: 6 + -13 = -7
x = -7

Simplifying
x = -7

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