0.4(5+2x)-5=3(0.3x+0.7)

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Solution for 0.4(5+2x)-5=3(0.3x+0.7) equation:


Simplifying
0.4(5 + 2x) + -5 = 3(0.3x + 0.7)
(5 * 0.4 + 2x * 0.4) + -5 = 3(0.3x + 0.7)
(2 + 0.8x) + -5 = 3(0.3x + 0.7)

Reorder the terms:
2 + -5 + 0.8x = 3(0.3x + 0.7)

Combine like terms: 2 + -5 = -3
-3 + 0.8x = 3(0.3x + 0.7)

Reorder the terms:
-3 + 0.8x = 3(0.7 + 0.3x)
-3 + 0.8x = (0.7 * 3 + 0.3x * 3)
-3 + 0.8x = (2.1 + 0.9x)

Solving
-3 + 0.8x = 2.1 + 0.9x

Solving for variable 'x'.

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

Add '-0.9x' to each side of the equation.
-3 + 0.8x + -0.9x = 2.1 + 0.9x + -0.9x

Combine like terms: 0.8x + -0.9x = -0.1x
-3 + -0.1x = 2.1 + 0.9x + -0.9x

Combine like terms: 0.9x + -0.9x = 0.0
-3 + -0.1x = 2.1 + 0.0
-3 + -0.1x = 2.1

Add '3' to each side of the equation.
-3 + 3 + -0.1x = 2.1 + 3

Combine like terms: -3 + 3 = 0
0 + -0.1x = 2.1 + 3
-0.1x = 2.1 + 3

Combine like terms: 2.1 + 3 = 5.1
-0.1x = 5.1

Divide each side by '-0.1'.
x = -51

Simplifying
x = -51

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