15x+30+10x=90

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Solution for 15x+30+10x=90 equation:


Simplifying
15x + 30 + 10x = 90

Reorder the terms:
30 + 15x + 10x = 90

Combine like terms: 15x + 10x = 25x
30 + 25x = 90

Solving
30 + 25x = 90

Solving for variable 'x'.

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

Add '-30' to each side of the equation.
30 + -30 + 25x = 90 + -30

Combine like terms: 30 + -30 = 0
0 + 25x = 90 + -30
25x = 90 + -30

Combine like terms: 90 + -30 = 60
25x = 60

Divide each side by '25'.
x = 2.4

Simplifying
x = 2.4

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