0.15(x)+0.20(15)=0.18(x+15)

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Solution for 0.15(x)+0.20(15)=0.18(x+15) equation:


Simplifying
0.15(x) + 0.20(15) = 0.18(x + 15)

Multiply 0.20 * 15
0.15x + 3 = 0.18(x + 15)

Reorder the terms:
3 + 0.15x = 0.18(x + 15)

Reorder the terms:
3 + 0.15x = 0.18(15 + x)
3 + 0.15x = (15 * 0.18 + x * 0.18)
3 + 0.15x = (2.7 + 0.18x)

Solving
3 + 0.15x = 2.7 + 0.18x

Solving for variable 'x'.

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

Add '-0.18x' to each side of the equation.
3 + 0.15x + -0.18x = 2.7 + 0.18x + -0.18x

Combine like terms: 0.15x + -0.18x = -0.03x
3 + -0.03x = 2.7 + 0.18x + -0.18x

Combine like terms: 0.18x + -0.18x = 0.00
3 + -0.03x = 2.7 + 0.00
3 + -0.03x = 2.7

Add '-3' to each side of the equation.
3 + -3 + -0.03x = 2.7 + -3

Combine like terms: 3 + -3 = 0
0 + -0.03x = 2.7 + -3
-0.03x = 2.7 + -3

Combine like terms: 2.7 + -3 = -0.3
-0.03x = -0.3

Divide each side by '-0.03'.
x = 10

Simplifying
x = 10

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