15=2.1+.08x

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Solution for 15=2.1+.08x equation:


Simplifying
15 = 2.1 + 0.08x

Solving
15 = 2.1 + 0.08x

Solving for variable 'x'.

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

Add '-0.08x' to each side of the equation.
15 + -0.08x = 2.1 + 0.08x + -0.08x

Combine like terms: 0.08x + -0.08x = 0.00
15 + -0.08x = 2.1 + 0.00
15 + -0.08x = 2.1

Add '-15' to each side of the equation.
15 + -15 + -0.08x = 2.1 + -15

Combine like terms: 15 + -15 = 0
0 + -0.08x = 2.1 + -15
-0.08x = 2.1 + -15

Combine like terms: 2.1 + -15 = -12.9
-0.08x = -12.9

Divide each side by '-0.08'.
x = 161.25

Simplifying
x = 161.25

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