5x+4(3-x)=(42-3)

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Solution for 5x+4(3-x)=(42-3) equation:


Simplifying
5x + 4(3 + -1x) = (42 + -3)
5x + (3 * 4 + -1x * 4) = (42 + -3)
5x + (12 + -4x) = (42 + -3)

Reorder the terms:
12 + 5x + -4x = (42 + -3)

Combine like terms: 5x + -4x = 1x
12 + 1x = (42 + -3)

Combine like terms: 42 + -3 = 39
12 + 1x = (39)
12 + 1x = 39

Solving
12 + 1x = 39

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 1x = 39 + -12

Combine like terms: 12 + -12 = 0
0 + 1x = 39 + -12
1x = 39 + -12

Combine like terms: 39 + -12 = 27
1x = 27

Divide each side by '1'.
x = 27

Simplifying
x = 27

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