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Q: How do i solve this equation . C-2 - 4 equals 3?

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3.5

Solve the following equation for A : 2A/3 = 8 + 4A

x = 3 and y = 3 Form a simultaneous equation and solve by elimination.

12/3 = 4

You cannot solve one linear equation with two variables.

Since the second equation is already solved for "y", you can replace "y" by "9" in the other equation. Then solve the new equation for "x".

-3

It is not possible to solve one linear equation in two unknown variables.

You need another equation to make this a linear equation so you can solve for both variables. One equation with two variables is not enough to determine the correct answer.

z=.3

Divide both sides by 100 n = 3

3

-4

Subtract two from both sides and you are left with X equals -5

* a2 + b2 = c2 * a = 3 * b = 8 * (3)2 + (8)2 = c2 * 9 + 64 = c2 * 73 = c2 * c = √73

-1

A linear equation in 3 unknown variables cannot be solved.

18=3(3x-6)

You cannot "solve" a single equation with 3 unknowns - except in extreme circumstances! And those do not occur here.

4y plus 228=352 what is the equation? y=31

To solve an equation with three unknowns, x, y and z, you require 3 independent equations.

solve the equation for y to get the slope.y=-2x-1/2substitute (3,3) into the equation/3=2(3)+band solve for b.-3=+by=2x-3 is the equation with the same slope(parallel) and goes through (3,3)

3n=36 Write the equation n=12 Divide each side of the equation by 3 to get the variable alone.

15

87 = 3yDivide each side of the equation by 3:29 = y