2a-(3)=9a-(10)

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Solution for 2a-(3)=9a-(10) equation:


Simplifying
2a + -1(3) = 9a + -1(10)

Multiply -1 * 3
2a + -3 = 9a + -1(10)

Reorder the terms:
-3 + 2a = 9a + -1(10)

Multiply -1 * 10
-3 + 2a = 9a + -10

Reorder the terms:
-3 + 2a = -10 + 9a

Solving
-3 + 2a = -10 + 9a

Solving for variable 'a'.

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

Add '-9a' to each side of the equation.
-3 + 2a + -9a = -10 + 9a + -9a

Combine like terms: 2a + -9a = -7a
-3 + -7a = -10 + 9a + -9a

Combine like terms: 9a + -9a = 0
-3 + -7a = -10 + 0
-3 + -7a = -10

Add '3' to each side of the equation.
-3 + 3 + -7a = -10 + 3

Combine like terms: -3 + 3 = 0
0 + -7a = -10 + 3
-7a = -10 + 3

Combine like terms: -10 + 3 = -7
-7a = -7

Divide each side by '-7'.
a = 1

Simplifying
a = 1

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