What is 2a-{7a-(3a-7b)+(10a-9b)} ?

The solution to 2a-{7a-(3a-7b)+(10a-9b)} is -12a+2b

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simplify 2a-{7a-(3a-7b)+(10a-9b)}

simplify

2 a - {7 a - (3 a - 7 b) + (10 a - 9 b)}

- 12 a + 2 b

Solution steps

2 a - (7 a - (3 a - 7 b) + (10 a - 9 b))

Simplify

- (7 a - (3 a - 7 b) + (10 a - 9 b)) : - 14 a + 2 b

= 2 a - 14 a + 2 b

Add similar elements:

2 a - 14 a = - 12 a

= - 12 a + 2 b

27 r^{3} - 8

\frac{y ^{2} + 2 y - 3}{y ^{2} - 3 y - 18} \cdot \frac{4 y ^{2} - 24 y}{2 y ^{2} - 2 y}

\frac{29}{6}

(7 - 8 i) + (- 12 - 4 i)

What is 2a-{7a-(3a-7b)+(10a-9b)} ?
The solution to 2a-{7a-(3a-7b)+(10a-9b)} is -12a+2b