3a+10+2a+3a-10+90=270

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Solution for 3a+10+2a+3a-10+90=270 equation:


Simplifying
3a + 10 + 2a + 3a + -10 + 90 = 270

Reorder the terms:
10 + -10 + 90 + 3a + 2a + 3a = 270

Combine like terms: 10 + -10 = 0
0 + 90 + 3a + 2a + 3a = 270
90 + 3a + 2a + 3a = 270

Combine like terms: 3a + 2a = 5a
90 + 5a + 3a = 270

Combine like terms: 5a + 3a = 8a
90 + 8a = 270

Solving
90 + 8a = 270

Solving for variable 'a'.

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

Add '-90' to each side of the equation.
90 + -90 + 8a = 270 + -90

Combine like terms: 90 + -90 = 0
0 + 8a = 270 + -90
8a = 270 + -90

Combine like terms: 270 + -90 = 180
8a = 180

Divide each side by '8'.
a = 22.5

Simplifying
a = 22.5

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