0.4x+0.3(10)=.02(x+10)

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Solution for 0.4x+0.3(10)=.02(x+10) equation:


Simplifying
0.4x + 0.3(10) = 0.02(x + 10)

Multiply 0.3 * 10
0.4x + 3 = 0.02(x + 10)

Reorder the terms:
3 + 0.4x = 0.02(x + 10)

Reorder the terms:
3 + 0.4x = 0.02(10 + x)
3 + 0.4x = (10 * 0.02 + x * 0.02)
3 + 0.4x = (0.2 + 0.02x)

Solving
3 + 0.4x = 0.2 + 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.
3 + 0.4x + -0.02x = 0.2 + 0.02x + -0.02x

Combine like terms: 0.4x + -0.02x = 0.38x
3 + 0.38x = 0.2 + 0.02x + -0.02x

Combine like terms: 0.02x + -0.02x = 0.00
3 + 0.38x = 0.2 + 0.00
3 + 0.38x = 0.2

Add '-3' to each side of the equation.
3 + -3 + 0.38x = 0.2 + -3

Combine like terms: 3 + -3 = 0
0 + 0.38x = 0.2 + -3
0.38x = 0.2 + -3

Combine like terms: 0.2 + -3 = -2.8
0.38x = -2.8

Divide each side by '0.38'.
x = -7.368421053

Simplifying
x = -7.368421053

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