7=0.2(x+15)

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Solution for 7=0.2(x+15) equation:


Simplifying
7 = 0.2(x + 15)

Reorder the terms:
7 = 0.2(15 + x)
7 = (15 * 0.2 + x * 0.2)
7 = (3 + 0.2x)

Solving
7 = 3 + 0.2x

Solving for variable 'x'.

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

Add '-0.2x' to each side of the equation.
7 + -0.2x = 3 + 0.2x + -0.2x

Combine like terms: 0.2x + -0.2x = 0.0
7 + -0.2x = 3 + 0.0
7 + -0.2x = 3

Add '-7' to each side of the equation.
7 + -7 + -0.2x = 3 + -7

Combine like terms: 7 + -7 = 0
0 + -0.2x = 3 + -7
-0.2x = 3 + -7

Combine like terms: 3 + -7 = -4
-0.2x = -4

Divide each side by '-0.2'.
x = 20

Simplifying
x = 20

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