Best Answer

3x + 7 = 5x - 2

Subtract 3x from each side:

7 = 2x - 2

Add 2 to each side:

9 = 2x

Divide each side by 2:

x = 4.5

Q: Solve the equation 3x plus 7 equals 5x - 2?

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3x+5=20 3x=15 x=5

X = 12

First, subtract 3x from each side of the equation. Then, divide each side of the equation by 7 .

5x+y=-7 3x+y=15 8=D

15x minus 8=minus 180 3x+8=24

Related questions

x = 6

3x+5=20 3x=15 x=5

X = 12

3x + 2y = 12 ie 2y = 12 - 3x so y = 6 - 3x/2

First, subtract 3x from each side of the equation. Then, divide each side of the equation by 7 .

You cannot solve one linear equation in two unknown variables.

3x-2 = 2x+3 3x-2x = 3+2 x = 5

5x+y=-7 3x+y=15 8=D

3x+4=10 To solve: 3x+4=10 3x=6 x=2

15x minus 8=minus 180 3x+8=24

From second equation: y = 8 + 2xSubstitute for y in first equation: 3x + 16 + 4x = 2ie 7x = -14ie x = -2 and y = 4

From first equation: y = 5 - 5xSubstitute for y in second equation: 3x + 10 - 10x = 3ie -7x = -7ie x = 1 and y = 0