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Q: How do you solve 5 plus 4x - 7 equals 4x plus 3 - 1x?

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3x+7=4x-73x=(-)7+4x-4x(-)1x=(-)7________(-)1x=7add (-3x) to each side of equation3x +7 = 4x-3x +3x +7 = 4x -3x0 +7= 1x7=x

4x - 3 - 5x + 7 = 6 4x - 5x = 3 - 7 + 6 -1x = 2 x = -2

5+4x-7=4x+3-1x 4x-2=3x+3 (combined the like terms) +2 +2 (add 2 to both sides) 4x=3x+5 -3x -3x (subtract 3x from both sides) x+5

2y = 4x + 4y = 2x + 2

many solutions

x = 15 as 4*15+6 = 66 3*15+21 = 66 or an easier way to do it 4x - 3x = 1x 21 - 6 = 15 1x = 15

-1x=5nSteps:3x-4x=5n like terms3-4=-1 add x -1x-1x=5n not like termsanswer -1x=5n

x= -.5

4x+3x-1x = 12 Collect like terms: 6x = 12 Divide both sides of the equation by 6 to find the value of x: x = 2

1x-5x = -4x But since you had the absolute value symbols surrounding it, change it to positive; so the answer is: 4x

You can't solve it. But you can simplify it to get: 4x+y=2

Simplified: 5+1x

(2,1)

8+4x

4x+6

You cannot solve one linear equation with two variables.

Add 4x - 2 to each side: 5x = 5 x = 1

-4x+3 = 23+6x -4x-6x = 23-3 -10x = 20 x = -2

4x+9 = 7x+3 4x-7x = 3-9 -3x = -6 x = 2

4x+7-3x = 15 4x-3x = 15-7 x = 8

8x+30=4x+18 -4x -4x 4x+30=18 -30 -30 4x=-12 4x/4=-12/4 x=-3

4x=-10 x=-2.5

4x + 3y = 8x + y so 3y - y = 8x - 4x ie 2y = 4x so y = 2x

2*2+4x-9=0 4x=9-4 4x=5 x=5/4

y=4x-8y=2x+10Substitute (4x-8) for y in the second equation and solve for x:4x-8=2x+102x=18x=9Now solve for y:y=4(9)-8=28(9,28)