Question

1) Combine terms: 12a + 26b -4b – 16a.
2) Solve for x: 2x – y = (3/4)x + 6.
3) Simplify:(4x2 - 2x) - (-5x2 - 8x).​

Answer 1

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2)2x - y = (3/4)x+ 6.

or, 2x - (3/4)x= y + 6.

or, (8x -3x)/4= y + 6.

or, 5x/4 = y + 6.

or, 5x = 4(y + 6).

or, 5x = 4y + 24.

or, x = (4y +24)/5.

Therefore, x = 4(y + 6)/5.

3)Solution: (4x2 - 2x) - (-5x2 - 8x) = 4x2 - 2x + 5x2 + 8x. = 4x2 + 5x2 - 2x + 8x. = 9x2 + 6x.

Answer 2

2)2x - y = (3/4)x+ 6.

or, 2x - (3/4)x= y + 6.

or, (8x -3x)/4= y + 6.

or, 5x/4 = y + 6.

or, 5x = 4(y + 6).

or, 5x = 4y + 24.

or, x = (4y +24)/5.

Therefore, x = 4(y + 6)/5.

3)Solution: (4x2 - 2x) - (-5x2 - 8x) = 4x2 - 2x + 5x2 + 8x. = 4x2 + 5x2 - 2x + 8x. = 9x2 + 6x.