0.08x-0.03(40+x)=0.07(40)

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Solution for 0.08x-0.03(40+x)=0.07(40) equation:


Simplifying
0.08x + -0.03(40 + x) = 0.07(40)
0.08x + (40 * -0.03 + x * -0.03) = 0.07(40)
0.08x + (-1.2 + -0.03x) = 0.07(40)

Reorder the terms:
-1.2 + 0.08x + -0.03x = 0.07(40)

Combine like terms: 0.08x + -0.03x = 0.05x
-1.2 + 0.05x = 0.07(40)

Multiply 0.07 * 40
-1.2 + 0.05x = 2.8

Solving
-1.2 + 0.05x = 2.8

Solving for variable 'x'.

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

Add '1.2' to each side of the equation.
-1.2 + 1.2 + 0.05x = 2.8 + 1.2

Combine like terms: -1.2 + 1.2 = 0.0
0.0 + 0.05x = 2.8 + 1.2
0.05x = 2.8 + 1.2

Combine like terms: 2.8 + 1.2 = 4
0.05x = 4

Divide each side by '0.05'.
x = 80

Simplifying
x = 80

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