0.7(x-4)=2.1

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Solution for 0.7(x-4)=2.1 equation:


Simplifying
0.7(x + -4) = 2.1

Reorder the terms:
0.7(-4 + x) = 2.1
(-4 * 0.7 + x * 0.7) = 2.1
(-2.8 + 0.7x) = 2.1

Solving
-2.8 + 0.7x = 2.1

Solving for variable 'x'.

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

Add '2.8' to each side of the equation.
-2.8 + 2.8 + 0.7x = 2.1 + 2.8

Combine like terms: -2.8 + 2.8 = 0.0
0.0 + 0.7x = 2.1 + 2.8
0.7x = 2.1 + 2.8

Combine like terms: 2.1 + 2.8 = 4.9
0.7x = 4.9

Divide each side by '0.7'.
x = 7

Simplifying
x = 7

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