0.4(x+70)+1.4x=109

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Solution for 0.4(x+70)+1.4x=109 equation:


Simplifying
0.4(x + 70) + 1.4x = 109

Reorder the terms:
0.4(70 + x) + 1.4x = 109
(70 * 0.4 + x * 0.4) + 1.4x = 109
(28 + 0.4x) + 1.4x = 109

Combine like terms: 0.4x + 1.4x = 1.8x
28 + 1.8x = 109

Solving
28 + 1.8x = 109

Solving for variable 'x'.

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

Add '-28' to each side of the equation.
28 + -28 + 1.8x = 109 + -28

Combine like terms: 28 + -28 = 0
0 + 1.8x = 109 + -28
1.8x = 109 + -28

Combine like terms: 109 + -28 = 81
1.8x = 81

Divide each side by '1.8'.
x = 45

Simplifying
x = 45

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