0.12x+0.3(x-4)=0.01(2x-7)

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Solution for 0.12x+0.3(x-4)=0.01(2x-7) equation:


Simplifying
0.12x + 0.3(x + -4) = 0.01(2x + -7)

Reorder the terms:
0.12x + 0.3(-4 + x) = 0.01(2x + -7)
0.12x + (-4 * 0.3 + x * 0.3) = 0.01(2x + -7)
0.12x + (-1.2 + 0.3x) = 0.01(2x + -7)

Reorder the terms:
-1.2 + 0.12x + 0.3x = 0.01(2x + -7)

Combine like terms: 0.12x + 0.3x = 0.42x
-1.2 + 0.42x = 0.01(2x + -7)

Reorder the terms:
-1.2 + 0.42x = 0.01(-7 + 2x)
-1.2 + 0.42x = (-7 * 0.01 + 2x * 0.01)
-1.2 + 0.42x = (-0.07 + 0.02x)

Solving
-1.2 + 0.42x = -0.07 + 0.02x

Solving for variable 'x'.

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

Add '-0.02x' to each side of the equation.
-1.2 + 0.42x + -0.02x = -0.07 + 0.02x + -0.02x

Combine like terms: 0.42x + -0.02x = 0.4x
-1.2 + 0.4x = -0.07 + 0.02x + -0.02x

Combine like terms: 0.02x + -0.02x = 0.00
-1.2 + 0.4x = -0.07 + 0.00
-1.2 + 0.4x = -0.07

Add '1.2' to each side of the equation.
-1.2 + 1.2 + 0.4x = -0.07 + 1.2

Combine like terms: -1.2 + 1.2 = 0.0
0.0 + 0.4x = -0.07 + 1.2
0.4x = -0.07 + 1.2

Combine like terms: -0.07 + 1.2 = 1.13
0.4x = 1.13

Divide each side by '0.4'.
x = 2.825

Simplifying
x = 2.825

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