7a+1+3=18

Simple and best practice solution for 7a+1+3=18 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 7a+1+3=18 equation: 


Simplifying
7a + 1 + 3 = 18

Reorder the terms:
1 + 3 + 7a = 18

Combine like terms: 1 + 3 = 4
4 + 7a = 18

Solving
4 + 7a = 18

Solving for variable 'a'.

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

Add '-4' to each side of the equation.
4 + -4 + 7a = 18 + -4

Combine like terms: 4 + -4 = 0
0 + 7a = 18 + -4
7a = 18 + -4

Combine like terms: 18 + -4 = 14
7a = 14

Divide each side by '7'.
a = 2

Simplifying
a = 2

See similar equations:

| 2x^8-5x^4-12=0 | | (3x-30)-(3x-28)=33 | | 2x+10=5x-47 | | 10+8b=-5(-2+6b)+3b | | Cos(6pix)=0 | | 4.3t-2.2t-2.3t=7.6 | | 20+15y=250 | | (3x-28)-(3x-30)=33 | | -0.5p+5.7p=3.64 | | 10+4z=10z-8 | | -13+3k=15k-25 | | -3(2t-4)+2t=5t-7 | | m-(0.7)=1.2 | | 3+x=-2x-18 | | -7y-6=1-6y | | (3x-28)+(3x-30)=33 | | 7g+24-3=-4 | | 7+6u=7u | | 2=15-u | | 4y-2=11y+12 | | 5(-8h+3)-5(3h+2)= | | 7x+7=17+2x | | s-1.86=-4.9 | | 16-(-9)=83 | | -4v+9=-9-2v | | 10+6x=-4(-3x+8) | | 4y-9+y+30=8y+30-6y | | 5z-3=z+5 | | -8b=10-7b | | (5-4i)(4+3i)= | | -7x+1=-41 | | -5-6(-1-6x)= |

Equations solver categories