.3(x+70)+.1x=25

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Solution for .3(x+70)+.1x=25 equation:


Simplifying
0.3(x + 70) + 0.1x = 25

Reorder the terms:
0.3(70 + x) + 0.1x = 25
(70 * 0.3 + x * 0.3) + 0.1x = 25
(21 + 0.3x) + 0.1x = 25

Combine like terms: 0.3x + 0.1x = 0.4x
21 + 0.4x = 25

Solving
21 + 0.4x = 25

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 0.4x = 25 + -21

Combine like terms: 21 + -21 = 0
0 + 0.4x = 25 + -21
0.4x = 25 + -21

Combine like terms: 25 + -21 = 4
0.4x = 4

Divide each side by '0.4'.
x = 10

Simplifying
x = 10

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