3x+31=7x-1

Simple and best practice solution for 3x+31=7x-1 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 3x+31=7x-1 equation:


Simplifying
3x + 31 = 7x + -1

Reorder the terms:
31 + 3x = 7x + -1

Reorder the terms:
31 + 3x = -1 + 7x

Solving
31 + 3x = -1 + 7x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-7x' to each side of the equation.
31 + 3x + -7x = -1 + 7x + -7x

Combine like terms: 3x + -7x = -4x
31 + -4x = -1 + 7x + -7x

Combine like terms: 7x + -7x = 0
31 + -4x = -1 + 0
31 + -4x = -1

Add '-31' to each side of the equation.
31 + -31 + -4x = -1 + -31

Combine like terms: 31 + -31 = 0
0 + -4x = -1 + -31
-4x = -1 + -31

Combine like terms: -1 + -31 = -32
-4x = -32

Divide each side by '-4'.
x = 8

Simplifying
x = 8

See similar equations:

| (a^4by-c^2)(a^4by-c^2)= | | 9x^2+54x+81=256x-192 | | (5y-4x)(5y+4x)= | | 4x^2y(2xy-3xy^2+5x^2)= | | cos(12x)= | | M-4n=-8 | | x^(3/2)=9x^(3/4)-20 | | 5x^(6/5)=14x^(3/5)-8 | | x/.25=625 | | -5x+3=16x^2+56+49 | | -7x-10=64(-2x-2) | | qd=500-10p | | 8a^2+10a-13=0 | | B/4=3/2 | | 6x^(1/2)=14x^(1/4)-8 | | 4-3x=4-9x | | x=3x^(1/2)-2 | | 6+6=8I | | C(x)=30.50-0.25x | | 42x=32 | | 4x^2-8x+4=36(-5x-3) | | 5x-3=9x^2-24+16 | | 5x^8/5=11x^4/5-2 | | 4w+60+2w=460 | | R(3+2)-6(t-5)-22=6 | | 8x-28=0 | | x^2-24x+144-64x-64=0 | | 7b=2-b/7b=3-b | | 4(y+10)=2y+6 | | n-2.5=4n+(-1) | | x^2-5x-6-100=0 | | 2x^2+5x+97-100=0 |

Equations solver categories