7(9+1)-3a=5+4(2a-1)

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Solution for 7(9+1)-3a=5+4(2a-1) equation:


Simplifying
7(9 + 1) + -3a = 5 + 4(2a + -1)

Combine like terms: 9 + 1 = 10
7(10) + -3a = 5 + 4(2a + -1)

Multiply 7 * 10
70 + -3a = 5 + 4(2a + -1)

Reorder the terms:
70 + -3a = 5 + 4(-1 + 2a)
70 + -3a = 5 + (-1 * 4 + 2a * 4)
70 + -3a = 5 + (-4 + 8a)

Combine like terms: 5 + -4 = 1
70 + -3a = 1 + 8a

Solving
70 + -3a = 1 + 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.
70 + -3a + -8a = 1 + 8a + -8a

Combine like terms: -3a + -8a = -11a
70 + -11a = 1 + 8a + -8a

Combine like terms: 8a + -8a = 0
70 + -11a = 1 + 0
70 + -11a = 1

Add '-70' to each side of the equation.
70 + -70 + -11a = 1 + -70

Combine like terms: 70 + -70 = 0
0 + -11a = 1 + -70
-11a = 1 + -70

Combine like terms: 1 + -70 = -69
-11a = -69

Divide each side by '-11'.
a = 6.272727273

Simplifying
a = 6.272727273

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