3a+7=(3+a)

Simple and best practice solution for 3a+7=(3+a) 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 3a+7=(3+a) equation:


Simplifying
3a + 7 = (3 + a)

Reorder the terms:
7 + 3a = (3 + a)

Remove parenthesis around (3 + a)
7 + 3a = 3 + a

Solving
7 + 3a = 3 + a

Solving for variable 'a'.

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

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

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

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

Add '-7' to each side of the equation.
7 + -7 + 2a = 3 + -7

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

Combine like terms: 3 + -7 = -4
2a = -4

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

Simplifying
a = -2

See similar equations:

| 5x-1=34-15 | | 5(9h)+2(18h)=378 | | log[5](x-3)+log[5](x+21)=2 | | x(.086)=315-x | | 180(n-2)/n=150 | | (8y+4)+(4y+3)= | | 5(9h)+2(2*9h)=378 | | -32t^2+50=0 | | 15=(a+5) | | -32t^2+50t=0 | | (5x+20)+(2x-9)+82=180 | | (m+4)(m-5)=-8 | | 4=7/v-3 | | 55-35x= | | 5x-25=250 | | 11h+18=378 | | 56+x=5x | | 3x+9=108 | | 4.5a+8c=180 | | 27=6y | | 4.5a+8c=x | | 7-2x-4x+5= | | 180(n-2)/n=108 | | .5(x+9)= | | -6-3=15-2*(x-5) | | 9=-2y+5 | | 9=-3/w | | .5(x+9)=5 | | 100+7x=2x | | -6x-3=15-2*(x-5) | | 23x+8-26x=1-5 | | (2(.25)+1)+((.25)-1)+(.25)=.85 |

Equations solver categories