10(a+9)=5a+140

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Solution for 10(a+9)=5a+140 equation:


Simplifying
10(a + 9) = 5a + 140

Reorder the terms:
10(9 + a) = 5a + 140
(9 * 10 + a * 10) = 5a + 140
(90 + 10a) = 5a + 140

Reorder the terms:
90 + 10a = 140 + 5a

Solving
90 + 10a = 140 + 5a

Solving for variable 'a'.

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

Add '-5a' to each side of the equation.
90 + 10a + -5a = 140 + 5a + -5a

Combine like terms: 10a + -5a = 5a
90 + 5a = 140 + 5a + -5a

Combine like terms: 5a + -5a = 0
90 + 5a = 140 + 0
90 + 5a = 140

Add '-90' to each side of the equation.
90 + -90 + 5a = 140 + -90

Combine like terms: 90 + -90 = 0
0 + 5a = 140 + -90
5a = 140 + -90

Combine like terms: 140 + -90 = 50
5a = 50

Divide each side by '5'.
a = 10

Simplifying
a = 10

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