0.07(4x-1)-0.14(x+2)=0.21

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Solution for 0.07(4x-1)-0.14(x+2)=0.21 equation: 


Simplifying
0.07(4x + -1) + -0.14(x + 2) = 0.21

Reorder the terms:
0.07(-1 + 4x) + -0.14(x + 2) = 0.21
(-1 * 0.07 + 4x * 0.07) + -0.14(x + 2) = 0.21
(-0.07 + 0.28x) + -0.14(x + 2) = 0.21

Reorder the terms:
-0.07 + 0.28x + -0.14(2 + x) = 0.21
-0.07 + 0.28x + (2 * -0.14 + x * -0.14) = 0.21
-0.07 + 0.28x + (-0.28 + -0.14x) = 0.21

Reorder the terms:
-0.07 + -0.28 + 0.28x + -0.14x = 0.21

Combine like terms: -0.07 + -0.28 = -0.35
-0.35 + 0.28x + -0.14x = 0.21

Combine like terms: 0.28x + -0.14x = 0.14x
-0.35 + 0.14x = 0.21

Solving
-0.35 + 0.14x = 0.21

Solving for variable 'x'.

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

Add '0.35' to each side of the equation.
-0.35 + 0.35 + 0.14x = 0.21 + 0.35

Combine like terms: -0.35 + 0.35 = 0.00
0.00 + 0.14x = 0.21 + 0.35
0.14x = 0.21 + 0.35

Combine like terms: 0.21 + 0.35 = 0.56
0.14x = 0.56

Divide each side by '0.14'.
x = 4

Simplifying
x = 4

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