.02(x)+.09(35-x)=.04(35)

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Solution for .02(x)+.09(35-x)=.04(35) equation:


Simplifying
0.02(x) + 0.09(35 + -1x) = 0.04(35)
0.02x + (35 * 0.09 + -1x * 0.09) = 0.04(35)
0.02x + (3.15 + -0.09x) = 0.04(35)

Reorder the terms:
3.15 + 0.02x + -0.09x = 0.04(35)

Combine like terms: 0.02x + -0.09x = -0.07x
3.15 + -0.07x = 0.04(35)

Multiply 0.04 * 35
3.15 + -0.07x = 1.4

Solving
3.15 + -0.07x = 1.4

Solving for variable 'x'.

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

Add '-3.15' to each side of the equation.
3.15 + -3.15 + -0.07x = 1.4 + -3.15

Combine like terms: 3.15 + -3.15 = 0.00
0.00 + -0.07x = 1.4 + -3.15
-0.07x = 1.4 + -3.15

Combine like terms: 1.4 + -3.15 = -1.75
-0.07x = -1.75

Divide each side by '-0.07'.
x = 25

Simplifying
x = 25

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