a-7=3a+1

Simple and best practice solution for a-7=3a+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 a-7=3a+1 equation:


Simplifying
a + -7 = 3a + 1

Reorder the terms:
-7 + a = 3a + 1

Reorder the terms:
-7 + a = 1 + 3a

Solving
-7 + a = 1 + 3a

Solving for variable 'a'.

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

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

Combine like terms: a + -3a = -2a
-7 + -2a = 1 + 3a + -3a

Combine like terms: 3a + -3a = 0
-7 + -2a = 1 + 0
-7 + -2a = 1

Add '7' to each side of the equation.
-7 + 7 + -2a = 1 + 7

Combine like terms: -7 + 7 = 0
0 + -2a = 1 + 7
-2a = 1 + 7

Combine like terms: 1 + 7 = 8
-2a = 8

Divide each side by '-2'.
a = -4

Simplifying
a = -4

See similar equations:

| 96=2n-5(2n-8) | | 3(8y-2)=3(4+2y) | | x^3=12x-5x^2 | | c=4c-12 | | x^2+2.5x+1.5=0 | | -80x^2+320-10=0 | | 18d^2+27d+4=0 | | 80-3x=10-10x | | 12-5x/4=1 | | 12=7-y | | 12=7-9 | | 3x+10=-44-6 | | 7f(f+1)= | | 19/x=12 | | 44-10y=10 | | (2x)+2=6 | | -x-8=-2x+0 | | 6+4x=9+x | | 13.28-2.9m=-17.54-7.5m | | 12+2g=24 | | 4r-22r=22 | | -16.85-5.2g=-13.7g+18.43+16.9g | | 7x-15=-41 | | 1+18v=19+19v | | 2(x)-5=31 | | 3-2x=2(1-x) | | 3a-(b-2a)=equation | | 9-14n=4-15n+13 | | -2u+7=-3u | | x^2+9x+20.25=-18 | | 4(l+1)=3(l+4) | | 2+8j=9+j |

Equations solver categories