20x+12(4-x)=70

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Solution for 20x+12(4-x)=70 equation:


Simplifying
20x + 12(4 + -1x) = 70
20x + (4 * 12 + -1x * 12) = 70
20x + (48 + -12x) = 70

Reorder the terms:
48 + 20x + -12x = 70

Combine like terms: 20x + -12x = 8x
48 + 8x = 70

Solving
48 + 8x = 70

Solving for variable 'x'.

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

Add '-48' to each side of the equation.
48 + -48 + 8x = 70 + -48

Combine like terms: 48 + -48 = 0
0 + 8x = 70 + -48
8x = 70 + -48

Combine like terms: 70 + -48 = 22
8x = 22

Divide each side by '8'.
x = 2.75

Simplifying
x = 2.75

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