-153=-7(5a+2)+1

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Solution for -153=-7(5a+2)+1 equation:


Simplifying
-153 = -7(5a + 2) + 1

Reorder the terms:
-153 = -7(2 + 5a) + 1
-153 = (2 * -7 + 5a * -7) + 1
-153 = (-14 + -35a) + 1

Reorder the terms:
-153 = -14 + 1 + -35a

Combine like terms: -14 + 1 = -13
-153 = -13 + -35a

Solving
-153 = -13 + -35a

Solving for variable 'a'.

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

Add '35a' to each side of the equation.
-153 + 35a = -13 + -35a + 35a

Combine like terms: -35a + 35a = 0
-153 + 35a = -13 + 0
-153 + 35a = -13

Add '153' to each side of the equation.
-153 + 153 + 35a = -13 + 153

Combine like terms: -153 + 153 = 0
0 + 35a = -13 + 153
35a = -13 + 153

Combine like terms: -13 + 153 = 140
35a = 140

Divide each side by '35'.
a = 4

Simplifying
a = 4

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