7(a+3)=3a+21+4a

Simple and best practice solution for 7(a+3)=3a+21+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)=3a+21+4a equation: 


Simplifying
7(a + 3) = 3a + 21 + 4a

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

Reorder the terms:
21 + 7a = 21 + 3a + 4a

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

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

Combine like terms: 21 + -21 = 0
0 + 7a = 21 + -21 + 7a
7a = 21 + -21 + 7a

Combine like terms: 21 + -21 = 0
7a = 0 + 7a
7a = 7a

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

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

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

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

See similar equations:

| -5=m+4 | | 5+2(3x+2)-3=5x+9 | | b-6=-11 | | 18=2w | | 9n+27=7n-3 | | x^2-12x=8 | | 6-3c-6=5c+8 | | 16x-10+9=99-30 | | x^2-x+8=0 | | -6(3x+2)-5=12x+9 | | (6x-3)*(2x-4)=0 | | -x-(-10)=5 | | 9c-5=3c+1 | | -5(2x+3)-3=10x+2 | | 9x+5x+3+7=4x+4+9x | | (5x+7)+(-6x+5)= | | 4+6=17x | | 4m+8=6m-9 | | 4(k+3)+2=4.5(k+1) | | 2.1q-4.2-1.2=-0.1q-5.5 | | 10y=4y+10-6y | | -14-8x=6-10 | | 14-8=6x | | -9x+8=3(x+9)-2 | | 0.8w-0.5w+0.2w=4 | | -2x+y=-4 | | 3(2z+25)-2(z-1)=78 | | 4(x-8)=4x-32 | | 24-8=13x | | -x+y=-2 | | -5-3(2x-1)=5(x+3) | | 6x+2+4x+8=9x+3 |

Equations solver categories