How can I change the default alignment of mathblock from center to left?

Questions
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1

How can I change the alignment of the block level (with preceding and ending white space) math equation below to left?

$ W_"AB" &= q E dot "AB" \ &= qty("1.2e-7", "J") $
2

You just have to redefine the block equation.

#show math.equation.where(block: true): pad.with(left: 1em)

#show math.equation.where(block: true): set align(left)