70*0.3+x*0.4=50

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Solution for 70*0.3+x*0.4=50 equation:


Simplifying
70 * 0.3 + x * 0.4 = 50

Multiply 70 * 0.3
21 + x * 0.4 = 50

Reorder the terms for easier multiplication:
21 + 0.4x = 50

Solving
21 + 0.4x = 50

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 = 50 + -21

Combine like terms: 21 + -21 = 0
0 + 0.4x = 50 + -21
0.4x = 50 + -21

Combine like terms: 50 + -21 = 29
0.4x = 29

Divide each side by '0.4'.
x = 72.5

Simplifying
x = 72.5

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