exam Maths Puzzle Numerical Ability

please help me solve problem: 2x-3+6x=4(3x2-)+3
pg.318

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exam Other Question

Determine which two equations represent perpendicular lines.

(a) y=2/9x-3 (b) y=3x-2/9 (c) y=-1/3x+2/9 (d) y=1/3x-2/9 Which equation represents a line whose x-intercept is the solution to the equation -3/4x+1/2=0

Answer Choices:

A) 3x+4y=2
B) 3x+4y=-1/2
C) 4x+3y=2
D) y=-3/4x-1/2