3=4(x-7)+2(10-x)

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Solution for 3=4(x-7)+2(10-x) equation:


Simplifying
3 = 4(x + -7) + 2(10 + -1x)

Reorder the terms:
3 = 4(-7 + x) + 2(10 + -1x)
3 = (-7 * 4 + x * 4) + 2(10 + -1x)
3 = (-28 + 4x) + 2(10 + -1x)
3 = -28 + 4x + (10 * 2 + -1x * 2)
3 = -28 + 4x + (20 + -2x)

Reorder the terms:
3 = -28 + 20 + 4x + -2x

Combine like terms: -28 + 20 = -8
3 = -8 + 4x + -2x

Combine like terms: 4x + -2x = 2x
3 = -8 + 2x

Solving
3 = -8 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
3 + -2x = -8 + 2x + -2x

Combine like terms: 2x + -2x = 0
3 + -2x = -8 + 0
3 + -2x = -8

Add '-3' to each side of the equation.
3 + -3 + -2x = -8 + -3

Combine like terms: 3 + -3 = 0
0 + -2x = -8 + -3
-2x = -8 + -3

Combine like terms: -8 + -3 = -11
-2x = -11

Divide each side by '-2'.
x = 5.5

Simplifying
x = 5.5

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