2(9-8)+7=5(a+2)-3a-19

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Solution for 2(9-8)+7=5(a+2)-3a-19 equation:


Simplifying
2(9 + -8) + 7 = 5(a + 2) + -3a + -19

Combine like terms: 9 + -8 = 1
2(1) + 7 = 5(a + 2) + -3a + -19

Multiply 2 * 1
2 + 7 = 5(a + 2) + -3a + -19

Combine like terms: 2 + 7 = 9
9 = 5(a + 2) + -3a + -19

Reorder the terms:
9 = 5(2 + a) + -3a + -19
9 = (2 * 5 + a * 5) + -3a + -19
9 = (10 + 5a) + -3a + -19

Reorder the terms:
9 = 10 + -19 + 5a + -3a

Combine like terms: 10 + -19 = -9
9 = -9 + 5a + -3a

Combine like terms: 5a + -3a = 2a
9 = -9 + 2a

Solving
9 = -9 + 2a

Solving for variable 'a'.

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

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

Combine like terms: 2a + -2a = 0
9 + -2a = -9 + 0
9 + -2a = -9

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

Combine like terms: 9 + -9 = 0
0 + -2a = -9 + -9
-2a = -9 + -9

Combine like terms: -9 + -9 = -18
-2a = -18

Divide each side by '-2'.
a = 9

Simplifying
a = 9

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