7(a-3)=4a

Simple and best practice solution for 7(a-3)=4a 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 7(a-3)=4a equation:


Simplifying
7(a + -3) = 4a

Reorder the terms:
7(-3 + a) = 4a
(-3 * 7 + a * 7) = 4a
(-21 + 7a) = 4a

Solving
-21 + 7a = 4a

Solving for variable 'a'.

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

Add '-4a' to each side of the equation.
-21 + 7a + -4a = 4a + -4a

Combine like terms: 7a + -4a = 3a
-21 + 3a = 4a + -4a

Combine like terms: 4a + -4a = 0
-21 + 3a = 0

Add '21' to each side of the equation.
-21 + 21 + 3a = 0 + 21

Combine like terms: -21 + 21 = 0
0 + 3a = 0 + 21
3a = 0 + 21

Combine like terms: 0 + 21 = 21
3a = 21

Divide each side by '3'.
a = 7

Simplifying
a = 7

See similar equations:

| 4x+5+x+-3= | | x*5=43-8 | | 22+2x=6x | | 12+4r=3r+2+4 | | 15*t=17+8*t-24 | | 16777216=2x | | 5+x=5+29+x | | 4(x-2)=3(c-1) | | x+3=y-3 | | 6(y-3)=0 | | 5x^2-20x-18=7 | | 1+3g=7 | | 28=7.7x+18-2.7x | | Z^4+3z^2+2=0 | | 3+e^2x=15 | | 7n-5=3n-7 | | 2n-9=3(n+6) | | 2x^2=x+10 | | X^4-12x^2-16x=0 | | 6q+13=-9 | | 3y-8+y+52=7y+50-5y | | 25(d-12)=-14 | | 24x^2-11x-28=0 | | 18+a=2 | | 31+3x-16=-3(5-x)-16x | | 4x^4-12x^2-9=0 | | (x+20)(2x-12)=0 | | (5+x)+x+(3+x)=29 | | 12-7=4 | | 16-2y=6y | | 16x^3+8x=0 | | 26=6(5-4j) |

Equations solver categories