7(a+1)-3a=4(2a-1)

Simple and best practice solution for 7(a+1)-3a=4(2a-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 7(a+1)-3a=4(2a-1) equation:


Simplifying
7(a + 1) + -3a = 4(2a + -1)

Reorder the terms:
7(1 + a) + -3a = 4(2a + -1)
(1 * 7 + a * 7) + -3a = 4(2a + -1)
(7 + 7a) + -3a = 4(2a + -1)

Combine like terms: 7a + -3a = 4a
7 + 4a = 4(2a + -1)

Reorder the terms:
7 + 4a = 4(-1 + 2a)
7 + 4a = (-1 * 4 + 2a * 4)
7 + 4a = (-4 + 8a)

Solving
7 + 4a = -4 + 8a

Solving for variable 'a'.

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

Add '-8a' to each side of the equation.
7 + 4a + -8a = -4 + 8a + -8a

Combine like terms: 4a + -8a = -4a
7 + -4a = -4 + 8a + -8a

Combine like terms: 8a + -8a = 0
7 + -4a = -4 + 0
7 + -4a = -4

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

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

Combine like terms: -4 + -7 = -11
-4a = -11

Divide each side by '-4'.
a = 2.75

Simplifying
a = 2.75

See similar equations:

| -4(x+2)+6=6(x+3)+9 | | c-(-20)=-14 | | y-(-12)=-18 | | 2y-4=-56 | | 2(5-4b)-4b= | | 3x+10x=72 | | 6(a-6)+10=2(a-5) | | 421.77=240x+0.83 | | 0.25x+0.75x=0-x | | 6x-22+8x=20 | | 4x-6(6-x)=6 | | 5a+2-3=74 | | (3x+15)+135=180 | | 15=4x+3-2x | | .7x=77 | | 14x-12x=-26+4 | | -3.3x+1.3=-1.7x+1.7 | | f(x)=sin(pi*x) | | 0.006(3-k)+0.07(k-6)=1 | | -12-y=-18 | | (6x-32)+148=180 | | -4i(5i)=0 | | -0.5x+0.3=-2.4-1.1x | | y+-20=-19 | | 11+13(19-x)=209 | | 3x+x=456 | | 4s+16=72 | | 0.007(9-k)+0.04(k-6)=1 | | -17=-2n+13+-8n | | X+y+z=160 | | 4.1x+3=1.6x-2 | | 5z=4z+9 |

Equations solver categories