-42=3.5(3-5x)

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Solution for -42=3.5(3-5x) equation:


Simplifying
-42 = 3.5(3 + -5x)
-42 = (3 * 3.5 + -5x * 3.5)
-42 = (10.5 + -17.5x)

Solving
-42 = 10.5 + -17.5x

Solving for variable 'x'.

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

Add '17.5x' to each side of the equation.
-42 + 17.5x = 10.5 + -17.5x + 17.5x

Combine like terms: -17.5x + 17.5x = 0.0
-42 + 17.5x = 10.5 + 0.0
-42 + 17.5x = 10.5

Add '42' to each side of the equation.
-42 + 42 + 17.5x = 10.5 + 42

Combine like terms: -42 + 42 = 0
0 + 17.5x = 10.5 + 42
17.5x = 10.5 + 42

Combine like terms: 10.5 + 42 = 52.5
17.5x = 52.5

Divide each side by '17.5'.
x = 3

Simplifying
x = 3

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