.5(e-30)+2e=135

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Solution for .5(e-30)+2e=135 equation:


Simplifying
0.5(e + -30) + 2e = 135

Reorder the terms:
0.5(-30 + e) + 2e = 135
(-30 * 0.5 + e * 0.5) + 2e = 135
(-15 + 0.5e) + 2e = 135

Combine like terms: 0.5e + 2e = 2.5e
-15 + 2.5e = 135

Solving
-15 + 2.5e = 135

Solving for variable 'e'.

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

Add '15' to each side of the equation.
-15 + 15 + 2.5e = 135 + 15

Combine like terms: -15 + 15 = 0
0 + 2.5e = 135 + 15
2.5e = 135 + 15

Combine like terms: 135 + 15 = 150
2.5e = 150

Divide each side by '2.5'.
e = 60

Simplifying
e = 60

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