0.7x+0.70(30)=0.35(138)

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Solution for 0.7x+0.70(30)=0.35(138) equation:


Simplifying
0.7x + 0.70(30) = 0.35(138)

Multiply 0.70 * 30
0.7x + 21 = 0.35(138)

Reorder the terms:
21 + 0.7x = 0.35(138)

Multiply 0.35 * 138
21 + 0.7x = 48.3

Solving
21 + 0.7x = 48.3

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 + 0.7x = 48.3 + -21

Combine like terms: 21 + -21 = 0
0 + 0.7x = 48.3 + -21
0.7x = 48.3 + -21

Combine like terms: 48.3 + -21 = 27.3
0.7x = 27.3

Divide each side by '0.7'.
x = 39

Simplifying
x = 39

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