0.25(x+20)-0.03(x-40)=-7

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Solution for 0.25(x+20)-0.03(x-40)=-7 equation: 


Simplifying
0.25(x + 20) + -0.03(x + -40) = -7

Reorder the terms:
0.25(20 + x) + -0.03(x + -40) = -7
(20 * 0.25 + x * 0.25) + -0.03(x + -40) = -7
(5 + 0.25x) + -0.03(x + -40) = -7

Reorder the terms:
5 + 0.25x + -0.03(-40 + x) = -7
5 + 0.25x + (-40 * -0.03 + x * -0.03) = -7
5 + 0.25x + (1.2 + -0.03x) = -7

Reorder the terms:
5 + 1.2 + 0.25x + -0.03x = -7

Combine like terms: 5 + 1.2 = 6.2
6.2 + 0.25x + -0.03x = -7

Combine like terms: 0.25x + -0.03x = 0.22x
6.2 + 0.22x = -7

Solving
6.2 + 0.22x = -7

Solving for variable 'x'.

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

Add '-6.2' to each side of the equation.
6.2 + -6.2 + 0.22x = -7 + -6.2

Combine like terms: 6.2 + -6.2 = 0.0
0.0 + 0.22x = -7 + -6.2
0.22x = -7 + -6.2

Combine like terms: -7 + -6.2 = -13.2
0.22x = -13.2

Divide each side by '0.22'.
x = -60

Simplifying
x = -60

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